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• 15:32

### Linear Algebra: Least Squares Approximation

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The least squares approximation for otherwise unsolvable equations More free lessons at: http://www.khanacademy.org/video?v=MC7l96tW8V8

• 13:25

### Linear Algebra: Another Least Squares Example

356 views / 0 likes - added

Using least squares approximation to fit a line to points More free lessons at: http://www.khanacademy.org/video?v=QkepM8Vv3kw

• 18:50

### Linear Algebra: Least Squares Examples

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An example using the least squares solution to an unsolvable system More free lessons at: http://www.khanacademy.org/video?v=8mAZYv5wIcE

• 15:46

### Linear Algebra: Introduction to Linear Independence

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Linear Algebra: Introduction to linear dependence and independence More free lessons at: http://www.khanacademy.org/video?v=CrV1xCWdY-g

• 04:17

### Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

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Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa

• 08:52

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

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• 08:23

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

229 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

• 06:35

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

326 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

• 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

• 03:12

### 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

• 02:40

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

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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

• 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-

• 19:53

### Linear Algebra - Matrix Transformations

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Matrix multiplication and linear algebra explained with 3D animations.

• 02:35

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

252 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

• 07:11

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

335 views / 0 likes - added

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

• 08:21

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

244 views / 0 likes - added

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

• 24:47

### Linear Algebra: Parametric Representations of Lines

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Linear Algebra: Parametric Representations of Lines in R2 and R3 More free lessons at: http://www.khanacademy.org/video?v=hWhs2cIj7Cw

• 07:08

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

335 views / 0 likes - added

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

• 21:25

### Linear Algebra: Showing that Inverses are Linear

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Showing that inverse transformations are also linear More free lessons at: http://www.khanacademy.org/video?v=mr9Tow8hpCg

• 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

• 06:45

### Algebra: Linear Equations 3

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Linear equations with multiple variable and constant terms More free lessons at: http://www.khanacademy.org/video?v=Zn-GbH2S0Dk

• 14:08

### Small X Approximation For Large Kc

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Guidelines and worked examples for using the small x approximation to solve equilibrium problems with large Kc values

• 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

• 09:40

### Small X Approximation For Small Kc

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When the small x approximation is useful for solving equilibrium problems, and an example using the small x approximation when Kc is small

• 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

• 12:07

### Algebra Basics: What Is Algebra? - Math Antics

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The first video in the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Next video: https://youtu.be/l3XzepN03KQ This video gives an overview of Algebra and introduces the concepts of unknown value

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• 07:28

### Algebra: Linear Equations 1

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equations of the form AX=B More free lessons at: http://www.khanacademy.org/video?v=bAerID24QJ0

• 06:07

### Algebra: Linear Equations 2

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solving equations of the form AX+B=C More free lessons at: http://www.khanacademy.org/video?v=DopnmxeMt-s

• 03:09

### Equivalent Expressions To Differences Of Squares

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Equivalent expressions to differences of squares

• 05:50

### Factoring Difference Of Squares Exercise Example

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Factoring difference of squares exercise example

• 04:54

### Multiplying Binomials To Get Difference Of Squares

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Multiplying binomials to get difference of squares

• 25:34

### Linear Algebra: Vector Examples

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Visually understanding basic vector operations More free lessons at: http://www.khanacademy.org/video?v=r4bH66vYjss

• 10:01

### Linear Algebra: 3x3 Determinant

352 views / 0 likes - added

Determinants: Finding the determinant of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=0c7dt2SQfLw

• 18:40

### Linear Algebra: nxn Determinant

335 views / 0 likes - added

Defining the determinant for nxn matrices. An exampled of a 4x4 determinant. More free lessons at: http://www.khanacademy.org/video?v=H9BWRYJNIv4

• 12:07

### Linear Algebra: Transpose of a Vector

317 views / 0 likes - added

Transpose of a column vector. Matrix-matrix products using vectors More free lessons at: http://www.khanacademy.org/video?v=lSoaMCNKfAg

• 22:08

### Linear Algebra: Orthogonal Complements

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Orthogonal Complements as subspaces. More free lessons at: http://www.khanacademy.org/video?v=QOTjdgmNqlg

• 19:00

### Linear Algebra: Basis of a Subspace

291 views / 0 likes - added

Understanding the definition of a basis of a subspace More free lessons at: http://www.khanacademy.org/video?v=zntNi3-ybfQ

• 17:26

### Linear Algebra: Projections onto Subspaces

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Projections onto subspaces More free lessons at: http://www.khanacademy.org/video?v=5B8XluiqdHM

• 08:37

### Linear Algebra: Transpose of a Matrix

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Transpose of a matrix More free lessons at: http://www.khanacademy.org/video?v=2t0003_sxtU

• 14:10

### Linear Algebra: Determinant of Transpose

354 views / 0 likes - added

Proof by induction that transposing a matrix does not change its determinant More free lessons at: http://www.khanacademy.org/video?v=x-GV2v0dRNE

• 08:41

### Linear Algebra: Transposes of sums and inverses

334 views / 0 likes - added

Transposes of sums and inverses More free lessons at: http://www.khanacademy.org/video?v=Br_8t58mdeI

• 17:55

### Linear Algebra: Change of Basis Matrix

368 views / 0 likes - added

Using a change of basis matrix to get us from one coordinate system to another. More free lessons at: http://www.khanacademy.org/video?v=1j5WnqwMdCk

• 11:16

### Linear Algebra: Introduction to Orthonormal Bases

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Looking at sets and bases that are orthonormal -- or where all the vectors have length 1 and are orthogonal to each other. More free lessons at: http://www.khanacademy.org/video?v=7BFx8pt2aTQ

• 09:03

### Linear Algebra: Determinants along other rows/cols

335 views / 0 likes - added

Finding the determinant by going along other rows or columns More free lessons at: http://www.khanacademy.org/video?v=nu87kfmwNfU

• 23:19

### Linear Algebra: Rowspace and Left Nullspace

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Rowspace and Left Nullspace More free lessons at: http://www.khanacademy.org/video?v=qBfc57x_RSg

• 07:18

### Linear Algebra: Rule of Sarrus of Determinants

354 views / 0 likes - added

A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus) More free lessons at: http://www.khanacademy.org/video?v=4xFIi0JF2AM

• 19:24

### Linear Algebra: The Gram-Schmidt Process

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Finding an orthonormal basis for a subspace using the Gram-Schmidt Process More free lessons at: http://www.khanacademy.org/video?v=rHonltF77zI

• 13:14

### Linear Algebra: Gram-Schmidt Process Example

348 views / 0 likes - added

Using Gram-Schmidt to find an orthonormal basis for a plane in R3 More free lessons at: http://www.khanacademy.org/video?v=tu1GPtfsQ7M

• 16:55

### Linear Algebra: Determinant when row is added

342 views / 0 likes - added

The determinant when one matrix has a row that is the sum of the rows of other matrices (and every other term is identical in the 3 matrices) More free lessons at: http://www.khanacademy.org/video?v=VrB3LaSD_uo

• 07:43

### Linear Algebra: Introduction to Eigenvalues and Eigenvectors

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What eigenvectors and eigenvalues are and why they are interesting More free lessons at: http://www.khanacademy.org/video?v=PhfbEr2btGQ

• 18:14

### Linear Algebra: Matrix Product Examples

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Example of taking the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=x1z0hOyjapU

• 08:19

### Linear Algebra: Duplicate Row Determinant

382 views / 0 likes - added

Determinant of a matrix with duplicate rows More free lessons at: http://www.khanacademy.org/video?v=gYv8sttBIqs

• 18:53

### Linear Algebra: Vector Triangle Inequality

281 views / 0 likes - added

Proving the triangle inequality for vectors in Rn More free lessons at: http://www.khanacademy.org/video?v=PsNidCBr5II

• 18:54

### Linear Algebra: Introduction to the inverse of a function

333 views / 0 likes - added

Introduction to the inverse of a function More free lessons at: http://www.khanacademy.org/video?v=-eAzhBZgq28

• 10:25

### Linear Algebra: Determinant after row operations

331 views / 0 likes - added

What happens to the determinant when we perform a row operation More free lessons at: http://www.khanacademy.org/video?v=kpG7xySkivg

• 15:47

### Linear Algebra: Cross Product Introduction

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Introduction to the cross product More free lessons at: http://www.khanacademy.org/video?v=pJzmiywagfY

• 08:07

### Linear Algebra: Upper Triangular Determinant

365 views / 0 likes - added

The determinant of an upper triangular matrix More free lessons at: http://www.khanacademy.org/video?v=VX7K8iqoiRc

• 14:34

### Linear Algebra: Finding Eigenvectors and Eigenspaces example

393 views / 0 likes - added

Finding the eigenvectors and eigenspaces of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=3-xfmbdzkqc

• 20:00

### Linear Algebra: Matrix condition for one-to-one trans

370 views / 0 likes - added

Showing that the rank of the of an mxn transformation matrix has to be an for the transformation to be one-to-one (injective) More free lessons at: http://www.khanacademy.org/video?v=M3FuL9qKTBs

• 09:13

### Linear Algebra: Simpler 4x4 determinant

364 views / 0 likes - added

Calculating a 4x4 determinant by putting in in upper triangular form first. More free lessons at: http://www.khanacademy.org/video?v=QV0jsTiobU4

• 13:04

### Linear Algebra: Subspace Projection Matrix Example

430 views / 0 likes - added

Example of a transformation matrix for a projection onto a subspace More free lessons at: http://www.khanacademy.org/video?v=QTcSBB3uVP0

• 14:08

### Linear Algebra: Eigenvalues of a 3x3 matrix

355 views / 0 likes - added

Determining the eigenvalues of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=11dNghWC4HI

• 06:37

### Linear Algebra: Simplifying conditions for invertibility

319 views / 0 likes - added

Showing that a transformation is invertible if and only if rref(A) is equal to the identity matrix More free lessons at: http://www.khanacademy.org/video?v=Yz2OosyMTmY

• 21:38

### Linear Algebra: Determinant and area of a parallelogram

447 views / 0 likes - added

Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix More free lessons at: http://www.khanacademy.org/video?v=n-S63_goDFg

• 20:10

### Linear Algebra: Determinant as Scaling Factor

386 views / 0 likes - added

Viewing the determinant of the transformation matrix as a scaling factor of regions More free lessons at: http://www.khanacademy.org/video?v=g3MqSdO5Ubc

• 06:22

### Linear Algebra: Example of Finding Matrix Inverse

333 views / 0 likes - added

Example of calculating the inverse of a matrix More free lessons at: http://www.khanacademy.org/video?v=r9aTLTN16V4

• 18:20

### Linear Algebra: Formula for 2x2 inverse

339 views / 0 likes - added

Figuring out the formula for a 2x2 matrix. Defining the determinant. More free lessons at: http://www.khanacademy.org/video?v=eEUK_ThrHuQ

• 08:50

### Linear Algebra: Transpose of a Matrix Product

339 views / 0 likes - added

Taking the transpose of the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=UdHgWK13x5I

• 16:08

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

348 views / 0 likes - added

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

• 02:35

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

316 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

• 02:27

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

264 views / 0 likes - added

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

• 15:28

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

428 views / 0 likes - added

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

• 13:20

### Linear Algebra: Determinant when row multiplied by scalar

338 views / 0 likes - added

The determinant when a row is multiplied by a scalar More free lessons at: http://www.khanacademy.org/video?v=32rdijPB-rA

• 02:52

### Linear Algebra: (correction) scalar muliplication of row

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Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant More free lessons at: http://www.khanacademy.org/video?v=WY6QG0mZ7uQ

• 13:57

### Linear Algebra: Gram-Schmidt example with 3 basis vectors

385 views / 0 likes - added

Gram-Schmidt example with 3 basis vectors More free lessons at: http://www.khanacademy.org/video?v=ZRRG386v6DI

• 09:19

### Linear Algebra: Proof of formula for determining Eigenvalues

379 views / 0 likes - added

Proof of formula for determining Eigenvalues More free lessons at: http://www.khanacademy.org/video?v=rfm0wQObxjk

• 05:39

### Linear Algebra: Example solving for the eigenvalues of a 2x2 matrix

379 views / 0 likes - added

Example solving for the eigenvalues of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=pZ6mMVEE89g

• 16:34

### Linear Algebra: Exploring the solution set of Ax=b

338 views / 0 likes - added

Exploring the solution set of Ax=b (non homogeneous equations) More free lessons at: http://www.khanacademy.org/video?v=1PsNIzUJPkc

• 15:34

### Linear Algebra: Eigenvectors and Eigenspaces for a 3x3 matrix

340 views / 0 likes - added

Eigenvectors and eigenspaces for a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=3Md5KCCQX-0

• 18:00

### Linear Algebra: Deriving a method for determining inverses

341 views / 0 likes - added

Determining a method for constructing inverse transformation matrices More free lessons at: http://www.khanacademy.org/video?v=6DpzCKJBsz0

• 04:26

### Shared Binomial Factor Between Perfect Square And Difference Of Squares

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Shared binomial factor between perfect square and difference of squares

• 14:26

### Sum of Squares of Polynomial Roots

223 views / 0 likes - added

Sum of Squares of Polynomial Roots (Newton Sums) More free lessons at: http://www.khanacademy.org/video?v=bbeWLtarzrE

• 13:09

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

344 views / 0 likes - added

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

• 05:02

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

321 views / 0 likes - added

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

• 07:39

### ANOVA 1 - Calculating SST (Total Sum of Squares)

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Analysis of Variance 1 - Calculating SST (Total Sum of Squares) More free lessons at: http://www.khanacademy.org/video?v=EFdlFoHI_0I

• 01:49

### Factoring difference of squares

258 views / 0 likes - added

u12_l2_t2_we2 Factoring difference of squares More free lessons at: http://www.khanacademy.org/video?v=tvnOWIoeeaU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:09

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

362 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

• 13:20

### ANOVA 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi

371 views / 0 likes - added

Analysis of Variance 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi More free lessons at: http://www.khanacademy.org/video?v=j9ZPMlVHJVs

• 03:04

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

252 views / 0 likes - added

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-

• 01:40

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

237 views / 0 likes - added

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_

• 01:07

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

264 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

• 02:34

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

382 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

• 03:24

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

255 views / 0 likes - added

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

• 02:36

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

320 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

• 10:24

### Alphamagic vs Letterwise Magic Squares

213 views / 0 likes - added

Behold! Another slightly disappointing magic square. Free tickets for my patreon supporters! https://www.patreon.com/posts/free-tickets-to-9603456 Pre-Order the DVD/download: https://shop.festivalofthespokennerd.com/collections/frontpage/products/58b6b63a

• 09:27

### Linear Algebra: dim(V) + dim(orthogonoal complelent of V)=n

342 views / 0 likes - added

Showing that if V is a subspace of Rn, then dim(V) + dim(V's orthogonal complement) = n More free lessons at: http://www.khanacademy.org/video?v=pGhBfkBqok0

• 12:14

### Algebra Basics: Exponents In Algebra - Math Antics

356 views / 0 likes - added

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/K6ewhnaL4KQ This video shows how exponents can be used more generally with variables. It explains why x

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• 11:14

### Linear Algebra: Rank(A) = Rank(transpose of A)

410 views / 0 likes - added

Rank(A) = Rank(transpose of A) More free lessons at: http://www.khanacademy.org/video?v=tqqVOWm9YsU

• 01:31

### Filling Rectangles With Squares | Geometry | Early Math | Khan Academy

339 views / 0 likes - added

Learn how to fill rectangles with squares. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/filling-rectangles-with-same-sized-squares?

• 12:14

### Using a Linear Model

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Using a Linear Model

• 11:46

### Predicting with Linear Models

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Predicting with Linear Models

• 08:52

### Systems of Linear Inequalities

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Systems of Linear Inequalities

• 08:15

### Linear, Quadratic, and Exponential Models

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• 04:59

### Interpreting Visual Linear Inequality

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Interpreting visual linear inequality

• 03:42

### Understanding Linear Inequality With Two Variables

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Understanding linear inequality with two variables

• 02:22

### Setting Up A Linear Inequality In Two Variables

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Setting up a linear inequality in two variables

• 08:07

### Standard Form For Linear Equations

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Standard form for linear equations

• 04:20

### Analyzing Two Variable Linear Inequality

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Analyzing two variable linear inequality

• 08:02

### 3-variable linear equations (part 1)

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Visual intuition of a 3-variable linear equation.

• 07:25

### Domain And Range For Piecewise Linear Function

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Domain and range for piecewise linear function

• 04:12

### Constraining Solutions To Two Variable Linear Inequalities

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Constraining solutions to two variable linear inequalities

• 13:53

### Linear Transformations

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Introduction to linear transformations More free lessons at: http://www.khanacademy.org/video?v=4PCktDZJH8E

• 23:29

### Linear Subspaces

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Introduction to linear subspaces of Rn More free lessons at: http://www.khanacademy.org/video?v=pMFv6liWK4M

• 17:38

### More on linear independence

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More examples determining linear dependence or independence. More free lessons at: http://www.khanacademy.org/video?v=Alhcv5d_XOs

• 11:49

### Linear Function Graphs

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Linear Function Graphs More free lessons at: http://www.khanacademy.org/video?v=EmTvdKkAUtE

• 02:42

### Basic Linear Function

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U03_L2_T4_we1 : Basic Linear Function Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 12:21

### Compositions of Linear Transformations 1

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Introduction to compositions of Linear Transformations More free lessons at: http://www.khanacademy.org/video?v=f_DTiXZpb8M

• 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

• 20:35

### Linear Combinations and Span

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Understanding linear combinations and spans of vectors More free lessons at: http://www.khanacademy.org/video?v=Qm_OS-8COwU

• 10:09

### Linear Equations in Standard Form

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Linear Equations in Standard Form More free lessons at: http://www.khanacademy.org/video?v=BaQXFstxCMo

• 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

• 09:21

### Solving Linear Systems by Substitution

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

• 15:18 Popular

### Special Types of Linear Systems

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

• 02:38

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

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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

• 17:04

### Matrix Vector Products as Linear Transformations

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Matrix Vector Products as Linear Transformations More free lessons at: http://www.khanacademy.org/video?v=ondmopWLiEg

• 17:52

### Linear Transformation Examples: Rotations in R2

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Linear Transformation Examples: Rotations in R2 More free lessons at: http://www.khanacademy.org/video?v=lPWfIq5DzqI

• 14:58

### Linear Equations in Slope Intercept Form

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Linear Equations in Slope Intercept Form More free lessons at: http://www.khanacademy.org/video?v=5fkh01mClLU

• 09:39

### Linear Equations in Point Slope Form

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Linear Equations in Point Slope Form More free lessons at: http://www.khanacademy.org/video?v=zqCokP2vDGo

• 02:55

### Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

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Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

• 17:32

### Linear Transformations as Matrix Vector Products

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Showing how ANY linear transformation can be represented as a matrix vector product More free lessons at: http://www.khanacademy.org/video?v=PErhLkQcpZ8

• 16:16

### Lin Alg: A Projection onto a Subspace is a Linear Transforma

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Showing that a projection onto a subspace is a linear transformation More free lessons at: http://www.khanacademy.org/video?v=cTyNpXB92bQ

• 05:26

### Factors And Divisibility In Algebra

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Factors and divisibility in algebra

• 11:59

### Generalized Linear Consumption Function

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Generalizing a linear consumption function as a function of aggregate income More free lessons at: http://www.khanacademy.org/video?v=N44RZtJ4jj4

• 10:29

### Algebra Basics: Solving 2-Step Equations - Math Antics

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There was a confusing example in the original video. This is the updated version. This video shows students how to solve 2-step Algebra equations involving one addition or subtraction and one multiplication or division. Part of the Algebra Basics Series:

• 11:35

### Null Space 3: Relation to Linear Independence

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Understanding how the null space of a matrix relates to the linear independence of its column vectors More free lessons at: http://www.khanacademy.org/video?v=vFctYRhK2M0

• 06:17

### Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

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We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the

• 12:49

### Scientific Notation Examples | Pre-Algebra | Khan Academy

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• 03:03

### Introduction To Exponents | Pre-Algebra | Khan Academy

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Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma

• 03:21

### Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

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Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa

• 09:45

### 2nd Order Linear Homogeneous Differential Equations 1

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Introduction to 2nd order, linear, homogeneous differential equations with constant coefficients. More free lessons at: http://www.khanacademy.org/video?v=UFWAu8Ptth0

• 05:27

### Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

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• 04:58

### Exploring linear relationships

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U03_L2_T4_we2 : Exploring linear relationships More free lessons at: http://www.khanacademy.org/video?v=qPx7i1jwXX4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:01

### Recognizing Linear Functions

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U03_L2_T5_we1 : Recognizing Linear Functions More free lessons at: http://www.khanacademy.org/video?v=AZroE4fJqtQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:45

### Non-Linear Systems of Equations 1

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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

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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

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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

• 15:09

### Sums and Scalar Multiples of Linear Transformations

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Sums and Scalar Multiples of Linear Transformations. Definitions of matrix addition and scalar multiplication. More free lessons at: http://www.khanacademy.org/video?v=wHuY97vss18

• 20:48

### Introduction To Scientific Notation | Pre-Algebra | Khan Academy

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Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc

• 09:17

### Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

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Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

• 09:35 Popular

### Algebra Basics: Solving Basic Equations Part 2 - Math Antics

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Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/l3XzepN03KQ Next video: Coming Soon This video shows students how to solve simple 1-step Algebra equati

• 03:36

### Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

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Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

• 10:00

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

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• 03:43

### Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

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• 06:56

### Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

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Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra

• 03:33

### Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

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Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal

• 03:00

### Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

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The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M

• 08:13

### Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

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What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

• 03:20

### Graphing linear inequalities in two variables 3

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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

• 05:20

### Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

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Work through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations

• 04:20

### Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

347 views / 1 likes - added

When dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/divi

• 02:48

### Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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• 07:51

### Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

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Volume is a measurement in the 3rd dimension. This means that it not only has width and height, but it has depth as well. Let's watch this video in which we get a great explanation of how we measure volume. Practice this lesson yourself on KhanAcademy.org

• 01:34

### Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

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In this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi

• 02:07

### Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

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We hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next

• 02:04

### Ratio Word Problem: Boys To Girls | Pre-Algebra | Khan Academy

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In this example, we are given a ratio and then asked to apply that ratio to solve a problem. No problem! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/rat

• 05:05

### Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

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We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r

• 06:14

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

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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

• 04:31

### Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

282 views / 0 likes - added

Examining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis

• 11:08 Popular

### Algebra Basics: Solving Basic Equations Part 1 - Math Antics

847 views / 1 likes - added

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/NybHckSEQBI Next video: https://youtu.be/Qyd_v3DGzTM This video shows students how to solve simple 1-st

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• 09:16

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• 07:34

### Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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• 04:07

333 views / 0 likes - added

Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr

• 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

• 03:09

### Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

416 views / 0 likes - added

• 03:52

### Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

348 views / 0 likes - added

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca

• 02:49

### Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

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It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac

• 04:16

### Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

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We're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now

• 09:43

### Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

352 views / 0 likes - added

• 03:28

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

373 views / 0 likes - added

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

• 06:20

### Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

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Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/factors-multiples/

• 03:38

### Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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Part of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu

• 05:41

### Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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We continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_medium=Desc&utm

• 02:36

### Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

310 views / 0 likes - added

Laying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applyin

• 10:13

### Squared Squares - Numberphile

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Featuring Dr James Grime. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://youtu.be/I0peG_kRE-4 Blog post about the old photo: http://www.bradyharanblog.com/blog/the-squared-square Check out http://www.squaring.n

• 01:18

### Why Are Triangles Stronger Than Squares?

639 views / 1 likes - added

One shape is clearly superior and thus commonly used in construction and engineering, but why? HOW TO BUILD EVERYTHING Wednesdays 10/9c on Science http://www.sciencechannel.com/tv-shows/how-to-build-everything/ Subscribe to Science Channel: http://bit.ly/

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• 00:52

### Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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Let's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/

• 08:34

### LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

346 views / 1 likes - added

Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

• 03:40

### Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

356 views / 0 likes - added

First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topi

• 02:27

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

285 views / 0 likes - added

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

• 05:34

### Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

301 views / 0 likes - added

Learn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?

• 08:30

### Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

342 views / 0 likes - added

Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less

• 03:21

### Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

333 views / 0 likes - added

Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o

• 10:10

### IIT JEE Hairy Trig and Algebra (part 1)

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2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc

• 09:50

### Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

452 views / 1 likes - added

• 03:53

### Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

380 views / 0 likes - added

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

• 47:36

### Completing the square - Live algebra lesson

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Do you need help with your algebra homework? Send photos of any problems you need help with to LiveStream@MathMeeting.com. Today I am focusing on solving quadratic equations by completing the square. I will help you live right here on this live stream :)

• 09:54

### IIT JEE Hairy Trig and Algebra (Part 2)

348 views / 0 likes - added

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM

• 06:28

### IIT JEE Hairy Trig and Algebra (Part 3)

350 views / 0 likes - added

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM

• 04:51

### Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

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• 05:51

### Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

352 views / 0 likes - added

Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

• 04:33

### Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

345 views / 0 likes - added

See examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_

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