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• 09:45

### U06_L3_T1_we3 Graphing Systems of Inequalities

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U06_L3_T1_we3 Graphing Systems of Inequalities More free lessons at: http://www.khanacademy.org/video?v=BUmLw5m6F9s Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 07:37

### Graphing systems of inequalities 3

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U06_L3_T1_we3 Graphing systems of inequalities 3

• 04:56

### Graphing systems of inequalities

174 views / 0 likes - added

U06_L3_T1_we1 Graphing systems of inequalities

• 03:24

### Graphing systems of inequalities 2

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U06_L3_T1_we2 Graphing systems of inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=YjT3QYfoy4Q Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 08:04

### Graphing Inequalities

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Graphing Inequalities More free lessons at: http://www.khanacademy.org/video?v=unSBFwK881s

• 01:59

### Graphing Inequalities on a Number Line

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When graphing inequalities on a number line, the number line should have 0 in the center and negative numbers on the left side, with positive numbers on the right. Graph inequalities, such as X is greater than 2, with tips from a math teacher in this free

• 02:42

### Graphing linear inequalities in two variables 2 (old and redone in newer video)

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U05_L2_T1_we2 : Graphing linear inequalities in two variables

• 05:54

### Solving systems by graphing

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U06_L1_T1_we1 Solving systems by graphing

• 06:06

### Graphing Inequalities 1

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u13_l2_t4_we1 Graphing Inequalities More free lessons at: http://www.khanacademy.org/video?v=2oGsLdAWxlk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:20

### Graphing Inequalities 2

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u13_l2_t4_we2 Graphing Inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=-aTy1ED1m5I Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:01

### U06_L1_T1_we1 Solving Systems by Graphing

159 views / 0 likes - added

U06_L1_T1_we1 Solving Systems by Graphing

• 03:20

### Graphing linear inequalities in two variables 3

154 views / 0 likes - added

U05_L2_T1_we3 : Graphing linear inequalities in two variables More free lessons at: http://www.khanacademy.org/video?v=YBYu5aZPLeg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:03

### Graphing Linear Inequalities in Two Variables Example 2

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U05_L2_T1_WE2 Graphing Linear Inequalities in Two Variables More free lessons at: http://www.khanacademy.org/video?v=FnrqBgot3jM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 08:52

### Systems of Linear Inequalities

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Systems of Linear Inequalities

• 08:30

### Solving Linear Systems by Graphing

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Solving Linear Systems by Graphing More free lessons at: http://www.khanacademy.org/video?v=5a6zpfl50go

• 02:15

### Solving and graphing linear inequalities in two variables 1

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U05_L2_T1_we1 : Solving and graphing linear inequalities in two variables More free lessons at: http://www.khanacademy.org/video?v=EoCeL4SPIcA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:26

### Solving systems by graphing 2

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U06_L1_T1_we2 Solving systems by graphing 2 More free lessons at: http://www.khanacademy.org/video?v=BNHLzEv6Mjg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:08

### Solving systems by graphing 3

148 views / 0 likes - added

U06_L1_T1_we3 Solving systems by graphing 3 More free lessons at: http://www.khanacademy.org/video?v=F5Nb6cIRZLU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:12

### Graphing Linear Functions Example 2 | Algebra I | Khan Academy

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Graphing equation for filling pool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/graphing-linear-functions-word-problems?utm

• 05:30

### Graphing Linear Functions Example 1 | Algebra I | Khan Academy

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Learn how graph a linear function. This video gives an example of graphing fuel consumption as a function of distance. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-

• 04:30

### Graphing Piecewise Function

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Graphing piecewise function

• 06:03

175 views / 0 likes - added

• 10:51

### Solving Quadratic Equations by Graphing

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• 04:23

342 views / 0 likes - added

• 07:11

### Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

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Graphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/graphing-solutio

• 11:31

### A Third Example of Graphing a Rational Function

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A Third Example of Graphing a Rational Function More free lessons at: http://www.khanacademy.org/video?v=p7ycTWq6BFk

• 29:35

### Graphing Lines by Solving for Y and Plotting Points (TTP Video 30)

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An extension of the previous video. Focus will be on development of more elegant graphing techniques.

• 04:00

### Creating System Of Inequalities

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Creating system of inequalities

• 03:58

### Graphing using X and Y intercepts

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u13_l1_t2_we2 Graphing using X and Y intercepts More free lessons at: http://www.khanacademy.org/video?v=6m642-2D3V4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:25

### Interpreting System Of Inequalities In Context

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Interpreting system of inequalities in context

• 05:36

### Graphing a Basic Function

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u17_l2_t2_we1 Graphing a Basic Function More free lessons at: http://www.khanacademy.org/video?v=2-dUHLHeyTY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 10:17

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u17_l2_t2_we3 Graphing Radical Functions More free lessons at: http://www.khanacademy.org/video?v=Mi6OJ4TAufY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:32

### Graphing Exponential Functions

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u18_l1_t1_we1 Graphing Exponential Functions More free lessons at: http://www.khanacademy.org/video?v=9SOSfRNCQZQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 09:10

### Graphing Logarithmic Functions

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u18_l2_t1_we3 Graphing Logarithmic Functions More free lessons at: http://www.khanacademy.org/video?v=DuYgVVU_BwY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 13:13

### Absolute Value Inequalities

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Absolute Value Inequalities More free lessons at: http://www.khanacademy.org/video?v=iI_2Piwn_og

• 11:46

### Compound Inequalities

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Compound Inequalities More free lessons at: http://www.khanacademy.org/video?v=A3xPhzs-KBI

• 04:12

### Constraining Solutions To Two Variable Linear Inequalities

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Constraining solutions to two variable linear inequalities

• 08:02

### Multi-Step Inequalities

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Compound Inequalities More free lessons at: http://www.khanacademy.org/video?v=xOxvyeSl0uA

• 09:13

### Graphing Natural Logarithm Function

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u18_l3_t1_we2 Graphing Natural Logarithm Function More free lessons at: http://www.khanacademy.org/video?v=xmjy-0TxgI8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 07:48

### Inequalities Using Addition and Subtraction

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• 10:28

### Inequalities Using Multiplication and Division

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Inequalities Using Multiplication and Division More free lessons at: http://www.khanacademy.org/video?v=PNXozoJWsWc

• 03:02

### Graphing a line in slope intercept form

273 views / 0 likes - added

U04_L1_T3_we1 : Graphing a line in slope intercept form More free lessons at: http://www.khanacademy.org/video?v=uk7gS3cZVp4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:09

### Inequalities

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U05_L1_T1_we3 : Inequalities More free lessons at: http://www.khanacademy.org/video?v=FZ2APP6-grU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:38

### Writing and using inequalities

199 views / 0 likes - added

U05_L1_T3_we1 : Writing and using inequalities More free lessons at: http://www.khanacademy.org/video?v=RHe9X2HDEjA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:32

### Compund Inequalities

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u10_l3_t1_we1 Compund Inequalities More free lessons at: http://www.khanacademy.org/video?v=0YErxSShF0A Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:40

### Writing and using inequalities 2

151 views / 0 likes - added

U05_L1_T3_we2 : Writing and using inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=cCMpin3Te4s Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:14

### Compund Inequalities 2

183 views / 0 likes - added

u10_l3_t1_we2 Compund Inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=d2cnQ5ahHgE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:01

### Writing and using inequalities 3

163 views / 0 likes - added

U05_L1_T3_we3 : Writing and using inequalities 3 More free lessons at: http://www.khanacademy.org/video?v=pbLiN8D9gAk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:28

### Compound Inequalities 3

177 views / 0 likes - added

u10_l3_t1_we3 Compound Inequalities 3 More free lessons at: http://www.khanacademy.org/video?v=cvB8b4AACyE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:39

### Absolute Value Inequalities Example 2

161 views / 0 likes - added

u10_l3_t2_we2 Absolute Value Inequalities More free lessons at: http://www.khanacademy.org/video?v=YKQLZOq4HTA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:39

### Interpreting Inequalities

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U05_L1_T1_we1 : Interpreting Inequalities More free lessons at: http://www.khanacademy.org/video?v=wo7DSaPP8hQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:32

### Solving Inequalities

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U05_L1_T1_we2 : Solving Inequalities More free lessons at: http://www.khanacademy.org/video?v=y7QLay8wrW8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 01:54

### One-Step Inequalities

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u10_l2_t1_we2 One-Step Inequalities More free lessons at: http://www.khanacademy.org/video?v=17a443nL7Qw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:27

### Absolute value inequalities Example 1

187 views / 0 likes - added

U05_L1_T2_we1 : Absolute value inequalities More free lessons at: http://www.khanacademy.org/video?v=TvUCe6Bomy4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:54

### One-Step Inequalities 2

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u10_l2_t1_we3 One-Step Inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=D1cKk48kz-E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 07:30

### Absolute Inequalities 2

158 views / 0 likes - added

U05_L1_T2_we2 : Absolute Inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=x5EJG_rAtkY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:35

### Absolute value inequalities example 3

182 views / 0 likes - added

U05_L1_T2_we3 : Absolute value inequalities 3 More free lessons at: http://www.khanacademy.org/video?v=y9MGpOGQVqQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:41

### Compound Inequalities 4

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u10_l3_t1_we4 Compound Inequalities 4 More free lessons at: http://www.khanacademy.org/video?v=ZF_cZ-GX9PI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:54

### How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

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Learn how to write inequalities to model real-world situation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/e/inequalities-in-one-var

• 03:47

### Multi-Step Inequalities 2

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u10_l2_t2_we2 Multi-Step Inequalities 2 More free lessons at: http://www.khanacademy.org/video?v=XOAn5z8mkvI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 08:09

### System of Inequalities Application

162 views / 0 likes - added

u14_l1_t2_we3 System of Inequalities Application More free lessons at: http://www.khanacademy.org/video?v=G0fH6blRMHI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 01:34

### Inequalities on a number line

184 views / 0 likes - added

u10_l2_t1_we1 Inequalities on a number line More free lessons at: http://www.khanacademy.org/video?v=dTwZ5N126gw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:38

### Multi-Step Inequalities

199 views / 0 likes - added

u10_l2_t2_we1 Multi-Step Inequalities More free lessons at: http://www.khanacademy.org/video?v=SgKBBUFaGb4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:36

### Graphical System of Inequalities

273 views / 0 likes - added

u14_l1_t2_we1 Graphical System of Inequalities More free lessons at: http://www.khanacademy.org/video?v=CA4S7S-3Lg4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 01:15

### Testing Solutions for a System of Inequalities

187 views / 0 likes - added

u14_l1_t2_we2 Testing Solutions for a System of Inequalities More free lessons at: http://www.khanacademy.org/video?v=XzYNh2wpO0A Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:31

### Identifying Equivalent Systems

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Identifying equivalent systems

• 04:30

### Identifying Non Equivalent Systems

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Identifying non equivalent systems

• 04:54

### Independent and Dependent Systems

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u14_l1_t1_we4 Independent and Dependent Systems

• 05:08

### A brief history of numerical systems - Alessandra King

323 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/a-brief-history-of-numerical-systems-alessandra-king 1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of the

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• 05:03 Popular

### Systems Word Problem With No Solution

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Systems word problem with no solution

• 06:01

### Examples Algebraically Analyzing Solutions To Systems

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Algebraically analyzing solutions to systems

• 05:55

### Worked Examples From Solving Systems Graphically

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Worked examples from solving systems graphically

• 05:48

### Visually Completing Solutions Of Systems Of Two Variables

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Visually completing solutions of systems of two variables

• 09:21

### Solving Linear Systems by Substitution

173 views / 0 likes - added

Solving Linear Systems by Substitution More free lessons at: http://www.khanacademy.org/video?v=V7H1oUHXPkg

• 12:01

### Solving Systems of Equations by Multiplication

248 views / 0 likes - added

Solving Systems of Equations by Multiplication More free lessons at: http://www.khanacademy.org/video?v=wYrxKGt_bLg

• 15:18 Popular

### Special Types of Linear Systems

792 views / 0 likes - added

Special Types of Linear Systems More free lessons at: http://www.khanacademy.org/video?v=5qkyuHIE2GM

• 12:44

### Solving Systems of Equations by Elimination

257 views / 0 likes - added

Solving Systems of Equations by Elimination More free lessons at: http://www.khanacademy.org/video?v=vA-55wZtLeE

• 08:23

### Systems of Three Variables

172 views / 0 likes - added

u14_l3_t1_we1 Systems of Three Variables More free lessons at: http://www.khanacademy.org/video?v=pANZpI9sOYg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 07:01

### Systems of Three Variables 2

161 views / 0 likes - added

u14_l3_t1_we2 Systems of Three Variables 2 More free lessons at: http://www.khanacademy.org/video?v=f7cX-Ar2cEM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 10:05

### Systems and rate problems 2

195 views / 0 likes - added

U06_L2_T1_we2 Systems and rate problems 2 More free lessons at: http://www.khanacademy.org/video?v=H5w55UbIZTw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:56

### Systems and rate problems 3

225 views / 0 likes - added

U06_L2_T1_we3 Systems and rate problems 3 More free lessons at: http://www.khanacademy.org/video?v=hTBQUibtnBk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:45

### Non-Linear Systems of Equations 1

160 views / 0 likes - added

U10_L2_T2_we1 Non-Linear Systems of Equations 1 More free lessons at: http://www.khanacademy.org/video?v=hjigR_rHKDI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 08:22

### Non-Linear Systems of Equations 2

159 views / 0 likes - added

U10_L2_T2_we2 Non-Linear Systems of Equations 2 More free lessons at: http://www.khanacademy.org/video?v=XPf8LMu7QSw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:57

### Non-Linear Systems of Equations 3

201 views / 0 likes - added

U10_L2_T2_we3 Non-Linear Systems of Equations 3 More free lessons at: http://www.khanacademy.org/video?v=FksgVpM_iXs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:44

### Solving systems by substitution 1

212 views / 0 likes - added

U06_L1_T2_we1 Solving systems by substitution 1 More free lessons at: http://www.khanacademy.org/video?v=HJV_HY0Sh0s Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:06

### Solving systems by substitution 2

181 views / 0 likes - added

U06_L1_T1_we2 Solving systems by substitution 2 More free lessons at: http://www.khanacademy.org/video?v=wB3QCk0MGuw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:04

### Solving systems by substitution 3

173 views / 0 likes - added

U06_L1_T2_we3 Solving systems by substitution 3 More free lessons at: http://www.khanacademy.org/video?v=0BgUKHTW37E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 06:35

### Graphings Systems of Equations

178 views / 0 likes - added

u14_l1_t1_we1 Graphings Systems of Equations More free lessons at: http://www.khanacademy.org/video?v=MRAIgJmRmag Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 03:45

### Solving systems by elimination 2

199 views / 0 likes - added

U06_L1_T3_we2 Solving systems by elimination 2 More free lessons at: http://www.khanacademy.org/video?v=Y6JsEja15Vk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:58

### Solving systems by elimination 3

161 views / 0 likes - added

U06_L1_T3_we3 Solving systems by elimination 3 More free lessons at: http://www.khanacademy.org/video?v=Dqp6xOeR3Ls Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:59

### Systems and rate problems

221 views / 0 likes - added

U06_L2_T1_we1 Systems and rate problems More free lessons at: http://www.khanacademy.org/video?v=at4T4n4JYNc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:52

### Solving systems by elimination

174 views / 0 likes - added

U06_L1_T3_we1 Solving systems by elimination More free lessons at: http://www.khanacademy.org/video?v=z1hz8-Kri1E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:29

### Consistent and Inconsistent Systems

194 views / 0 likes - added

u14_l1_t1_we3 Consistent and Inconsistent Systems More free lessons at: http://www.khanacademy.org/video?v=Ix8Nne-a-KQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:19

### Graphical Systems Application Problem

284 views / 0 likes - added

u14_l1_t1_we5 Graphical Systems Application Problem More free lessons at: http://www.khanacademy.org/video?v=3mimxluSVBo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 13:09

### Linear Algebra: Showing that an eigenbasis makes for good coordinate systems

286 views / 0 likes - added

Showing that an eigenbasis makes for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=C2PC9185gIw

• 06:14

### How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

262 views / 0 likes - added

Learn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin

• 13:36

### Operating Systems: Crash Course Computer Science #18

201 views / 0 likes - added

Get 10% off a custom domain and email address by going to https://www.hover.com/CrashCourse. So as you may have noticed from last episode, computers keep getting faster and faster, and by the start of the 1950s they had gotten so fast that it often took l

• 02:38

### Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

273 views / 0 likes - added

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

• 10:48

### Party Systems: Crash Course Government And Politics #41

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Today, Craig is going to dive into the history of American political parties. So throughout most of United States history our political system has been dominated by a two-party system, but the policies and the groups that support these parties have change

• 10:18

### Economic Systems And Macroeconomics: Crash Course Economics #3

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In which Jacob Clifford and Adrienne Hill teach you about Economic Systems and Macroeconomics. So, economics is basically about choices. We'll look at some of the broadest economic choices when we talk about the difference between planned economies and ma

• 19:22

### Tasting Astronaut Food: Inside NASA's Space Food Systems Laboratory

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Photos of all the food we tasted at NASA here (space smoothies!): http://www.tested.com/science/space/455535-tubes-tortillas-history-space-food-photos/ How does the dining experience in space compare to that on Earth? We visited NASA's Space Food Systems

• 11:40

### Circulatory&Respiratory Systems - CrashCourse Biology #27

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Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function. Crash Course Biology is now available on DVD! ht

• 04:35

### What Exists In The Dark Space Between Solar Systems?

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Many people think that space is a vacuum, but that’s actually a misconception. What exactly exists between solar systems? Is This the Creepiest Satellite That's Ever Flown? ►►►►http://bit.ly/1NQANPm Sign Up For The TestTube Newsletter Here ►►►► http://bit

• 12:18

### Graphing Using Intercepts

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• 03:22

### Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy

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• 04:50

### Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy

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### Equations and Inequalities

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### Graphing Lines by Plotting Points (TTP Video 29)

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How to Graph lines by making tables and plotting points. Focus will be on developing better techniques.

• 10:14

### Algebra Basics: Graphing On The Coordinate Plane - Math Antics

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• 06:10

### Testing Lego pulley systems

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How much weight can you lift with pulleys and a Lego PF Medium Motor? Only Lego parts allowed, except for the string.

• 08:50

### Testing different lego gear systems for hoisting

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How much weight can you lift with gears and a Lego PF Medium Motor? Only lego parts allowed, except for the string.

• 09:22

### Testing Lego gear and pulley systems - part 1

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This time I use both gears and pulleys to try to generate the maximum possible lift force with a Lego PF Medium Motor. The name of the game is continuous improvement in small increments.

• 08:54

### Testing Lego gear and pulley systems - part 2

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Last time we passed 100 kg, barely. This time the target is 200 kg. Hopefully I won't break as many pieces as last time. The purpose is to generate the maximum possible lift force with a single Lego PF Medium Motor. Special thanks to Imanol BB from Eurobr

• 02:45

### Teen Titans GO! | Learning the Systems | Cartoon Network

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Robin teaches the other Titans about the difference between the Imperial System and the Metric System! Episode: The Metric System CN GAMES: http://cartn.co/ytgames SUBSCRIBE: http://cartn.co/subscribe WATCH MORE: http://cartn.co/morettg About Teen Titans

• 12:03

### Files & File Systems: Crash Course Computer Science #20

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Today we’re going to look at how our computers read and interpret computer files. We’ll talk about how some popular file formats like txt, wave, and bitmap are encoded and decoded giving us pretty pictures and lifelike recordings from just strings of 1’s

• 10:00

### Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

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• 29:00

### Lin Alg: Changing coordinate systems to help find a transformation matrix

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Changing our coordinate system to find the transformation matrix with respect to standard coordinates More free lessons at: http://www.khanacademy.org/video?v=K_na_j1Msfg

• 04:12

### What Will We Name the Solar Systems Next Planet? || PLANET X??

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In 2006, Pluto was reclassified as a dwarf planet. This had two main effects on our solar system: it reduced the number of recognized planets to eight, and left many Earthlings very sad. But Plutos demotion reignited a conversation that scientists have ha

• 07:08

### Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

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Fun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

• 12:07

### Visualizing Average Costs and Marginal Costs as Slope

198 views / 0 likes - added

Graphing variable cost, fixed cost and total cost More free lessons at: http://www.khanacademy.org/video?v=k1iHDu9GrJE

• 06:35

### Constructing Linear Functions Example 1 | Algebra I | Khan Academy

285 views / 0 likes - added

Linear model for ice sheet thickness Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-linear-functions-word-proble

• 03:28

### Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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We're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric

• 04:05

### How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

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Learn how to spot mistakes in someone else's work as they attempt to solve one-step equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-one-st

• 02:36

### How The World's First Written Languages Spread

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The introduction of writing systems changed the world. It allowed humans to physically express thoughts and language, as well as record events for future generations to study. Although different writing systems developed independently in different areas o

• 40:00

### Algebra and Mathematics. Explained with easy to understand 3D animations.

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Explains variables, systems of equations, Cartesian coordinates, and many other concepts. Fun and educational for all ages.

• 02:27

### Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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This time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-to

• 16:08

### Linear Algebra: Coordinates with Respect to a Basis

320 views / 0 likes - added

Understanding alternate coordinate systems More free lessons at: http://www.khanacademy.org/video?v=uvgru6FcyxU

• 02:27

### High-Speed Robots Part 2: Kiva Robots in the Workplace & in our E-commerce Economy-The Window-WIRED

351 views / 1 likes - added

Follow a robot as it works its day job—transforming the world of e-commerce by hustling packages around the giant warehouses that propel the modern economy. New robot minions: Welcome to the team. Subscribe to the all new Wired channel here: http://

• 08:13

### Enzymes

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Enzymes as catalysts for reactions in biological systems. Discussion of substrates, active sites, induced fit, activation energy and denaturation.

• 14:08

### Banking 18: Big Picture Discussion

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Pros and Cons of various banking systems. More on gold. More free lessons at: http://www.khanacademy.org/video?v=T9byZBGtGuw

• 13:34

### Lin Alg: Invertible Change of Basis Matrix

313 views / 0 likes - added

Using an invertible change of basis matrix to go between different coordinate systems More free lessons at: http://www.khanacademy.org/video?v=meibWcbGqt4

• 15:28

### Linear Algebra: Coordinates with respect to orthonormal bases

368 views / 0 likes - added

Seeing that orthonormal bases make for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=SWbis2zWIvo

• 01:00

### Tons of planets can support life. Kepler Orrery IV

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All of the Kepler multi-planet systems (1705 planets in 685 systems as of 24 November 2015) on the same scale as the Solar System (the dashed lines). The size of the orbits are all to scale, but the size of the planets are not. For example, Jupiter is act

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• 03:19

### High-Speed Robots Part 1: Meet BettyBot in "Human Exclusion Zone" Warehouses-The Window-WIRED

457 views / 1 likes - added

Get a bots'-eye view of the "human exclusion zone" in a massive warehouse where an army of high-tech robots finds and fulfills up to 30,000 orders a day. Subscribe to the all new Wired channel here: http://www.youtube.com/channel/UCftwRNsjfRo08xYE31tkiyw?

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• 07:18

### Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

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Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha

• 04:32

### How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

435 views / 0 likes - added

Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-

• 04:21

### How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

390 views / 0 likes - added

Learn how to write basic equations to model real-world situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-super-yoga/e/equations-in-one-vari

• 01:56

### Futuristic straddling bus allows cars running underneath

293 views / 1 likes - added

Tired of traffic jams and tail gas? The design of electric "straddling buses" lets cars drive underneath them, and can help reduce air pollution. Also known as land airbus, the new invention is less costly than subway systems.

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• 07:51

### How To Solve One-step Multiplication And Division Equations With Fractions And Decimals

340 views / 0 likes - added

"Learn how to solve equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/

• 30:12

### The Power of Mathematical Visualization | the Great Courses

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Consider the oddity of the long-multiplication algorithm most of us learned in school. Discover a completely new way to multiply that is graphical—and just as strange! Then analyze how these two systems work. Finally, solve the mystery of why negative tim

• 07:00

### Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

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The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h

• 05:02

### Positive And Negative Slope | Algebra I | Khan Academy

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Positive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign

• 08:21

### Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

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Introduction to 2-variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/v/checking-ordered-pair-solutions-to-equatio

• 03:45

### Big box, small box, light-filled box with Serge Haroche

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Physicist Serge Haroche describes his work on the manipulation of quantum systems, which won him a share of the 2012 Nobel Prize in physics. A sponsor message from Mars, Incorporated – partner of the Lindau Nobel Laureate Meetings – follows the credits.

• 01:40

### How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

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Sal finds the input value for which f(t)=13, given that f(t)=-2t+5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_

• 04:41

### An Explosion in Slow Motion Thermal Vision!!

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What kind of cameras do you need to capture an explosion? And...what do you use to make a movie VS a real life explosion? Let’s take a look at the variety of high-speed cameras, the latest in thermal imaging, and camera support systems that allowed us to

• 01:07

### How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

237 views / 0 likes - added

Sal finds the input value for which g(x)=-2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so

• 05:37

### Linear Models Example 2 | Algebra I | Khan Academy

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Marbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?utm_s

• 03:04

### How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

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Sal find the formula of a function that, given an input value "b," outputs a value "a" that satisfies the equation 4a+7b=-52. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/functions-

• 02:40

### Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

266 views / 0 likes - added

Interpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-functions?ut

• 02:19

### How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

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Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting

• 08:52

### Linear Models Example 1 | Algebra I | Khan Academy

281 views / 0 likes - added

• 08:23

### Constructing Linear Functions Example 2 | Algebra I | Khan Academy

199 views / 0 likes - added

Linear model for painting Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-linear-functions-word-problems?utm_sour

• 02:35

### Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

221 views / 0 likes - added

Linear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-function

• 03:24

### How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

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Sal interprets the expression M(30)-M(0)=100 where M models an account balance over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation/e/function-nota

• 01:49

### How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

261 views / 0 likes - added

Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp

• 06:55

### What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

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Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introduction-to-algebra/feel-for-equations-and-inequalit/e/dependent-and-independent-variable

• 02:36

### How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

279 views / 0 likes - added

Sal interprets the expression P(5) minor P(9) where P models the number of people at the beach over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation

• 02:27

### Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

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Second example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?utm_so

• 01:56

### Bears Eat Dirt?

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After months of hibernation, Yellowstone's grizzly bears immediately eat volcanic soil to jumpstart their digestive systems. The soil contains potassium and magnesium, which kill off parasites that cause diarrhea. From: MYSTERY IN YELLOWSTONE http://bit.l

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• 05:09

### Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

313 views / 0 likes - added

Converting from slope-intercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/converting_between_slope_intercept_and_st

• 02:35

### Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

273 views / 0 likes - added

Checking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?ut

• 02:34

### Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

337 views / 0 likes - added

Standard form to slope-intercept form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/slope-from-an-equation-in-standard-form?utm_source=Y

• 09:55

### Seeing Inside the Sun

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Dr. Robert Stein, professor of Physics and Astronomy at Michigan State Universe has long envisioned a day when he could use supercomputer programs to "see" through the roiling surface of the sun and glimpse its dynamic interior. He describes his quest and

• 02:29

### The Michelangelo of Microsoft Excel

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When Tatsuo Horiuchi retired, he decided to try his hand at art. But instead of spending money on paints and brushes, Horiuchi used what he already had pre-installed on his computer—Microsoft Excel. Now, the 77-year-old artist is creating remarkably intri

• 02:31

### Tiny robots swim through the eye to deliver medicine

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• 03:52

### Honey bees and zebra fish come to a consensus, thanks to a little robotic intervention

41 views / 1 likes - added

Species from both land and sea are able to reach a collective decision with the help of robot mediators. Once day, researchers hope to use machine learning to train robots on collective behavior in animals. Read the paper - http://robotics.sciencemag.org/

• 06:13

### Single and compound pulleys review - lifting our principal // Homemade Science with Bruce Yeany

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Students have a better understanding when they actually try various pulley systems for themselves, especially when they get to try and lift each other. The biggest challenge is to see how many students it takes to lift our school principal using a single

• 03:14

### Scientists Put the Brain of a Worm Into a Robot… and It MOVED

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This robot contains the digitized brain of a worm, and without any outside input it just... works! Here's what this could mean for the future of AI. This Is How Your Brain Powers Your Thoughts - https://youtu.be/yxUkUaV2VPs Thumbnail image courtesy of Ope

• 01:23

### Artist Terry Berlier at work

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"The Non-orientable Lavender Menace" takes its shape from a möbius strip - a surface with one side and one boundary and that is mathematically un-orientable. In it, Terry Berlier, associate professor in the Stanford University Department of Art & Art Hist

• 09:25

### How Cyberattacks Threaten Real-world Peace - Guy-Philippe Goldstein

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More and more, nations are waging attacks with cyber weapons -- silent strikes on another country's computer systems that leave behind no trace. (Think of the Stuxnet worm.) Guy-Philippe Goldstein shows how cyberattacks can leap between the digital and ph

• 01:58

### Eagle-eyed lenses

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This image processing system acts like our eyes--collecting the most information from the center of the field of view. Capturing scenes at different resolutions saves processing time and can be used in systems where quick decisions are key--like self-driv

• 57:34

### Topology, Geometry And Life In Three Dimensions

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If you imagine a three dimensional maze from which there is no escape, how can you map it? Is there a way to describe what all possible mazes look like, and how do mathematicians set about investigating them? Subscribe for regular science videos: http://b

• 03:11

### Immunology wars: Monoclonal antibodies

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Our immune systems are at war with cancer. This animation reveals how monoclonal antibodies can act as valuable reinforcements to shore up our defences – and help battle cancer. You can find more on this topic at http://www.nature.com/milestones/antibodie

• 02:40

### Most Satisfying Video of Pop-Up Cards designed by Peter Dahmen

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Pop-Up Cards designed by Peter Dahmen. Please open the text box for more information: 0:00 –0:33 Personal artwork by Peter Dahmen – no tutorial available 0:33 –0:45 Design by Peter Dahmen for Highcon Systems – no tutorial available

• 02:52

### Immunology wars: A billion antibodies

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Our bodies can create billions of antibodies to fight off billions of potential diseases. But how do our immune systems turn a limited number of genes into such an incredible diversity of antibody proteins? You can find more on this topic at http://www.na

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• 07:02

### How To Understand Power - Eric Liu

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View full lesson: http://ed.ted.com/lessons/how-to-understand-power-eric-liu Every day, we move and operate within systems of power that other people have constructed. But we’re often uncomfortable talking about power. Why? Eric Liu describes the six sour

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• 04:49

### Is Anything Truly Random?

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In 2012, scientists developed a system to predict what number a rolled die would land on. Is anything truly random or is it all predictable? Can Game Theory Help A Presidential Candidate Win? - http://bit.ly/2bMqILU Sign Up For The Seeker Newsletter Here

• 04:17

### Chromosome and Kinetochore

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This visualisation is a multi-scale reconstruction of the organisation and structural features of DNA inside a chromosome of a living cell. Multiple forms of data are seamlessly woven together to accurately reconstruct the molecular systems that build, or

• 02:13

### A Look INSIDE Dinosaurs

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With modern technology we are able to hypothesize how the dinosaur anatomy operated and moved. See the skeletal and nervous systems of prehistoric creatures such as T-Rex, Sauropods, Triceratops and Raptors. Watch the whole playlist of dinosaur videos her

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• 04:39

### Can Plants Talk To Each Other? - Richard Karban

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View full lesson: http://ed.ted.com/lessons/can-plants-talk-to-each-other-richard-karban Can plants talk to each other? It certainly doesn’t seem that way: They don’t have complex sensory or nervous systems, like animals do, and they look pret

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• 03:16

### First Interstellar Asteroid Wows Scientists

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Scientists were surprised and delighted to detect --for the first time-- an interstellar asteroid passing through our solar system. Additional observations brought more surprises: the object is cigar-shaped with a somewhat reddish hue. The asteroid, named

• 04:12

### What happened to trial by jury? - Suja A. Thomas

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View full lesson: http://ed.ted.com/lessons/what-happened-to-trial-by-jury-suja-a-thomas In the United States today, juries decide less than 4% of criminal cases and less than 1% of civil cases filed in court. At the same time, jury systems in other count

• 02:09

### Precise Hopping with Salto-1P

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Salto-1P is a small monopedal jumping robot capable of continuous high-power hopping. We demonstrate a new control algorithm that can land Salto-1P's foot at particular spots on the ground like jumping on stepping stones or playing one-leg hopscotch. We c

• 02:42

### Coordinate Plane Song │ Ordered Pairs For Kids | Cartesian Plane Video

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1. Coordinates Lesson - https://www.teacherspayteachers.com/Product/Graphing-Coordinates-Song-Video-2429555 ◀--- Safe Link, Opens in New Window 2. LIMITED TIME OFFER! Save 80% by buying our complete collection: https://www.teacherspayteachers.com/Product/

• 09:04

### A Digital Reimagining Of Gettysburg - Anne Knowles

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View full lesson: http://ed.ted.com/lessons/a-digital-reimagining-of-gettysburg-anne-knowles Geographer Anne Knowles uses digital technologies to reimagine the past. In this fascinating talk, Knowles transports us to the Battle of Gettysburg, the turning

• 00:58

### How Solar Flares Affect Earth

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A team of scientists led by Laura Hayes –a solar physicist who splits her time between NASA's Goddard Space Flight Center and Trinity College in Dublin, Ireland – investigated a connection between solar flares and Earth's atmosphere. They discovered pulse

• 04:34

### Could human civilization spread across the whole galaxy? - Roey Tzezana

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View full lesson: http://ed.ted.com/lessons/could-human-civilization-spread-across-the-whole-galaxy-roey-tzezana Could human civilization eventually spread across the whole Milky Way galaxy? Could we move beyond our small, blue planet to establish colonie

• 02:03

### NASA is running out of spacesuits and it could jeopardize future missions

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A new government audit reveals that NASA is running low on spacesuits and new ones might not be available in time. Astronauts have been using the same suits since 1981. The suit were only designed to last 15 years, but NASA was able to extend the lifetime

• 03:25

### If Molecules Were People... - George Zaidan And Charles Morton

375 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/chemical-reactions-zaidan-and-morton When molecules collide, chemical reactions can occur -- causing major structural changes akin to getting a new arm on your face! George Zaidan and Charles Morton playfully im

• 03:16

### In Old Movies, Why The Dial Tone After Someone Hangs Up?

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Brace yourselves, we're about to get into some serious detail about telephone systems. Thanks to all the folks at Seattle's Museum of Communications! http://museumofcommunications.org/ They're also on YouTube at https://www.youtube.com/user/museumofcomm .

• 02:04

### This tiny wasp-inspired drone can pull 40 times its own weight

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The FlyCroTug can also open doors, inspect buildings Read more - https://scim.ag/2O4tM3x CREDITS ----------------------- editor/animator/narrator Chris Burns supervising producer Sarah Crespi script Courtney Miceli citation M. A. Estrada et al., Science R

• 05:24

### What Can Schrödinger's Cat Teach Us About Quantum Mechanics? - Josh Samani

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View full lesson: http://ed.ted.com/lessons/what-can-schrodinger-s-cat-teach-us-about-quantum-mechanics-josh-samani The classical physics that we encounter in our everyday, macroscopic world is very different from the quantum physics that governs systems

• 12:04

### The Nervous System - CrashCourse Biology #26

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Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in the body. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse on Facebook: http://www.face

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• 05:54

### The X3 Ion Thruster Is Here, This Is How It'll Get Us to Mars

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The X3 is made possible thanks to a collaboration among NASA, Aerojet Rocketdyne, the Caltech Jet Propulsion Laboratory, and the University of Michigan. It's a new type of propulsion engine that smashed records during test firings. This engine and other e

• 03:49

### How Do We Grow Hard Bones From Soft Tissue?

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The foods we eat and the cells that produce our bones are squishy, but our bones are hard. How does that work? Learn more at HowStuffWorks.com: http://health.howstuffworks.com/human-body/systems/musculoskeletal/bone.htm/printable Share on Facebook: https:

• 03:13

### How Do Pneumatic Tubes Work?

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The Internet has been called a series of tubes. But long before email, people sent messages across cities through networks of pneumatic tubes. Learn how they work! Learn more at HowStuffWorks.com: http://electronics.howstuffworks.com/everyday-tech/pneumat

• 02:18

### Cheap smart wall can sense movement and electronics in a room

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A paint job enables walls to monitor movement and computer and appliance use nearby. Learn more: https://scim.ag/2I2NV8L CREDITS producer Sarah Crespi story by Elizabeth Pennisi supervising producer Nguyên Khôi Nguyên citation Y. Zang et al., Proceedings

• 01:05

### This inflatable playground floats on the water

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Wibit makes inflatable water park systems that can be arranged into all kinds of shapes. Full park combos cost anywhere from \$4,000 to \$187,000. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider TWITTER: https://

• 12:59

### The End of Civilization (In the Bronze Age): Crash Course World History 211

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In which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end. What's that you say? There was no su

• 01:47

### Why Does Music Make Us Feel?

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"Music is the wallpaper of our minds" - Jamie Wheal Subscribe now! http://www.youtube.com/subscription_center?add_user=shotsofawe Join Jason Silva every week as he freestyles his way into the complex systems of society, technology and human existence and

• 04:01

### The Operating System Of Life - George Zaidan And Charles Morton

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View full lesson: http://ed.ted.com/lessons/the-operating-system-of-life-george-zaidan-and-charles-morton Humans, octopi and pine trees alike are all made up of cells, tiny but sophisticated systems that keep life going. Cells are almost like tiny factori

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