﻿ Search Results: Abstract algebra - Page 1 | Safe Videos for Kids
Welcome

Search Results: "Abstract algebra"

All   Most Recent   Most Viewed

• 07:00

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

249 views / 0 likes - added

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

• 07:18

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

331 views / 0 likes - added

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

• 03:43

Concrete And Abstract Nouns | The Parts Of Speech | Grammar

280 views / 0 likes - added

The difference between concrete and abstract nouns can be a little fuzzy. Let's start by focusing on the word origins of "concrete" and "abstract", and see if that gives us a way in.

• 12:07

Algebra Basics: What Is Algebra? - Math Antics

375 views / 0 likes - added

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

Featured
• 06:55

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

267 views / 0 likes - added

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

• 04:51

These Abstract Paintings Are Unbelievably Satisfying

272 views / 0 likes - added

Toronto-based artist Callen Schaub invites us into his studio to see how he uses swinging troughs, paint can pendulums, and bicycle parts to create his signature abstract paintings. »Subscribe to CBC Arts to watch more videos: http://bit.ly/CBCArtsS

• 03:19

Sesame Street: Salvatore Dada's Abstract Art

242 views / 0 likes - added

Behold abstract pieces of art,“2,” “3,” and “4.” Can you guess what the next art piece is named? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning and t

• 01:08

XYZT: Abstract Landscapes | Arts | NPR

141 views / 0 likes - added

One of a growing trend of interactive art exhibits, "XYZT: Abstract Landscapes" is a collection of ten digital pieces that mimic nature through projectors, motion sensors and LCD screens. ------------------------------------------------------ Subscribe to

• 12:14

Algebra Basics: Exponents In Algebra - Math Antics

349 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

Featured
• 01:06

Ducklings Capable Of Abstract Thought

247 views / 0 likes - added

Baby ducks' ability to imprint on "differences" puts them in company with primates and parrots. Learn more: http://scim.ag/29Tkw4c Read the research (\$): http://scim.ag/29SXMhJ

• 03:04

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

247 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-

• 05:26

Factors And Divisibility In Algebra

245 views / 0 likes - added

Factors and divisibility in algebra

• 10:29

Algebra Basics: Solving 2-Step Equations - Math Antics

486 views / 1 likes - added

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:

• 01:40

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

230 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

256 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

243 views / 0 likes - added

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

• 06:17

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

314 views / 0 likes - added

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

• 03:24

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

250 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

• 12:49

Scientific Notation Examples | Pre-Algebra | Khan Academy

293 views / 0 likes - added

• 03:03

Introduction To Exponents | Pre-Algebra | Khan Academy

298 views / 0 likes - added

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

246 views / 0 likes - added

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

• 02:36

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

311 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

• 05:27

254 views / 0 likes - added

• 20:48

Introduction To Scientific Notation | Pre-Algebra | Khan Academy

367 views / 0 likes - added

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

288 views / 0 likes - added

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

797 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/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

280 views / 0 likes - added

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

257 views / 0 likes - added

• 03:43

256 views / 0 likes - added

• 08:52

Linear Models Example 1 | Algebra I | Khan Academy

313 views / 0 likes - added

• 06:56

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

322 views / 0 likes - added

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

• 19:53

Linear Algebra - Matrix Transformations

116 views / 0 likes - added

Matrix multiplication and linear algebra explained with 3D animations.

• 03:33

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

331 views / 0 likes - added

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

359 views / 0 likes - added

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

309 views / 0 likes - added

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

• 05:20

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

296 views / 0 likes - added

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

338 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

366 views / 0 likes - added

• 07:51

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

295 views / 0 likes - added

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

• 05:02

Positive And Negative Slope | Algebra I | Khan Academy

315 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

• 01:34

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

323 views / 0 likes - added

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

• 02:40

Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

296 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

• 08:23

Constructing Linear Functions Example 2 | Algebra I | Khan Academy

219 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

• 02:07

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

235 views / 0 likes - added

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

282 views / 0 likes - added

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

231 views / 0 likes - added

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

• 02:35

Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

245 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

• 06:14

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

305 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

• 03:12

Graphing Linear Functions Example 2 | Algebra I | Khan Academy

294 views / 0 likes - added

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

• 06:35

Constructing Linear Functions Example 1 | Algebra I | Khan Academy

314 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

• 04:31

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

275 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

• 04:17

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

262 views / 0 likes - added

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

• 11:08 Popular

Algebra Basics: Solving Basic Equations Part 1 - Math Antics

832 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

Featured
• 09:16

349 views / 0 likes - added

• 07:34

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

334 views / 0 likes - added

• 04:07

327 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

• 03:09

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

404 views / 0 likes - added

• 03:52

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

336 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

• 08:21

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

236 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

• 05:30

Graphing Linear Functions Example 1 | Algebra I | Khan Academy

256 views / 0 likes - added

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-

• 02:49

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

290 views / 0 likes - added

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

311 views / 0 likes - added

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

342 views / 0 likes - added

• 03:28

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

362 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

260 views / 0 likes - added

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

294 views / 0 likes - added

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

• 02:27

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

254 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

• 05:41

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

306 views / 0 likes - added

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

299 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

• 07:11

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

321 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

• 05:09

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

346 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

305 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

• 00:52

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

275 views / 0 likes - added

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

341 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

• 07:08

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

323 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

• 03:40

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

349 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

279 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

288 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

332 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

• 24:47

Linear Algebra: Parametric Representations of Lines

258 views / 0 likes - added

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

• 03:21

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

322 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)

380 views / 0 likes - added

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

• 09:50

435 views / 1 likes - added

• 03:53

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

369 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

227 views / 0 likes - added

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 :)

• 06:28

IIT JEE Hairy Trig and Algebra (Part 3)

341 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

• 09:54

IIT JEE Hairy Trig and Algebra (Part 2)

339 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

• 04:51

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

328 views / 0 likes - added

• 05:51

Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

342 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

335 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_

• 06:29

Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

362 views / 0 likes - added

We want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

• 02:39

Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

335 views / 0 likes - added

This is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

• 03:50

Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

348 views / 0 likes - added

Multiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w

• 01:11

Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

298 views / 0 likes - added

Subtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting

• 09:23

Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

365 views / 1 likes - added

How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u

• 14:13

Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

390 views / 0 likes - added

What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl

• 09:45

359 views / 1 likes - added

• 09:15

Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

356 views / 0 likes - added

Converting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb

• 07:14

Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

350 views / 0 likes - added

How does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents

• 09:29

Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

325 views / 0 likes - added

The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d

• 05:42

Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

318 views / 0 likes - added

Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/

• 02:35

Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

352 views / 0 likes - added

Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

• 03:08

Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

359 views / 1 likes - added

Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin

• 04:25

Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

272 views / 0 likes - added

Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca

• 02:36

Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

281 views / 0 likes - added

Need to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-intro-p

• 02:32

Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

336 views / 0 likes - added

Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

• 04:24

Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

331 views / 0 likes - added

If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

• 03:45

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

355 views / 0 likes - added

To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al

• 02:34

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

370 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

• 11:09

Algebra Basics: What Are Polynomials? - Math Antics

370 views / 0 likes - added

This video introduces students to polynomials and terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Learn More at mathantics.com Visit http://www.mathantics.com for more Free math

• 04:00

Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

401 views / 0 likes - added

To find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

• 09:36

Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

297 views / 0 likes - added

Mysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.

• 10:43

Algebra Basics: Simplifying Polynomials - Math Antics

640 views / 1 likes - added

In this video, we explain the concept of "like terms" and show how polynomials can be simplified by combining like terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Learn More at

Featured
• 10:57

Algebra Basics: What Are Polynomials? - Math Antics

446 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/S3IEeCyUWWA This video introduces students to polynomials and terms. Learn More at mathantics.com Visit

Featured
• 11:54

Algebra Basics: The Distributive Property - Math Antics

609 views / 0 likes - added

This video introduces the Distributive Property in its general algebraic form: a(b + c) = ab + ac It shows how this patten is helpful when working with polynomials. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEB

• 15:46

Linear Algebra: Introduction to Linear Independence

242 views / 0 likes - added

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

• 07:25

Algebra Word Problem - Factoring

306 views / 0 likes - added

Learn how to solve this algebra word problem by factoring. A garden has an area of 84 square feet and the length is 8 feet longer than the width. You must find the dimensions of the garden using factoring. My name is Chris and my passion is to teach math.

• 04:09

Easy algebra word problem - But can you solve it?

322 views / 0 likes - added

Two workers can build a house in 4 days. One worker can build the house by himself in 6 days. How long would it take the other worker to build the house by himself? Can you solve this easy algebra word problem? My name is Chris and my passion is to teach

• 05:38

Algebra word problem - System of Equations

326 views / 0 likes - added

Solve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My

• 02:51

The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

610 views / 1 likes - added

A lot of people are arguing over the correct answer to this algebra problem involving horses, horseshoes, and boots. A Facebook post with this problem has over 500,000 comments. Can you figure it out? In this video I explain the correct answer. Blog post:

• 03:48

Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

339 views / 0 likes - added

The Harvard admissions exam in 1869 included this algebra problem: "A man bought a watch, a chain, and a locket for \$216. The watch and locket together cost three times as much as the chain, and the chain and locket together cost half as much as the watch

• 10:07

The Beauty of Algebra

240 views / 0 likes - added

Why the abstraction of mathematics is so fundamental More free lessons at: http://www.khanacademy.org/video?v=kpCJyQ2usJ4

• 07:28

Algebra: Linear Equations 1

207 views / 0 likes - added

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

• 06:07

Algebra: Linear Equations 2

198 views / 0 likes - added

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

• 06:45

Algebra: Linear Equations 3

184 views / 0 likes - added

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

• 04:22

Impossible Algebra Problem

541 views / 0 likes - added

This problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk-4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

• 13:25

Linear Algebra: Another Least Squares Example

348 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

• 08:37

Linear Algebra: Transpose of a Matrix

326 views / 0 likes - added

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

• 14:10

Linear Algebra: Determinant of Transpose

350 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

• 10:01

Linear Algebra: 3x3 Determinant

344 views / 0 likes - added

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

• 25:34

Linear Algebra: Vector Examples

257 views / 0 likes - added

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

• 18:40

Linear Algebra: nxn Determinant

330 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

310 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

347 views / 0 likes - added

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

• 19:00

Linear Algebra: Basis of a Subspace

285 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

369 views / 0 likes - added

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

• 15:32

Linear Algebra: Least Squares Approximation

351 views / 0 likes - added

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

• 18:50

Linear Algebra: Least Squares Examples

339 views / 0 likes - added

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

• 06:37

Linear Algebra: Simplifying conditions for invertibility

311 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

438 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

• 16:08

Linear Algebra: Coordinates with Respect to a Basis

341 views / 0 likes - added

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

• 20:10

Linear Algebra: Determinant as Scaling Factor

377 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

• 17:55

Linear Algebra: Change of Basis Matrix

363 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

353 views / 0 likes - added

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

• 06:22

Linear Algebra: Example of Finding Matrix Inverse

323 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

335 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

327 views / 0 likes - added

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

• 19:24

Linear Algebra: The Gram-Schmidt Process

336 views / 0 likes - added

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

• 11:34

Algebra Basics: What Are Functions? - Math Antics

496 views / 0 likes - added

• 08:41

Linear Algebra: Transposes of sums and inverses

328 views / 0 likes - added

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

• 13:14

Linear Algebra: Gram-Schmidt Process Example

344 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

• 09:03

Linear Algebra: Determinants along other rows/cols

329 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

341 views / 0 likes - added

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

• 07:43

Linear Algebra: Introduction to Eigenvalues and Eigenvectors

354 views / 0 likes - added

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

• 07:18

Linear Algebra: Rule of Sarrus of Determinants

348 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

• 18:53

Linear Algebra: Vector Triangle Inequality

275 views / 0 likes - added

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

• 14:34

Linear Algebra: Finding Eigenvectors and Eigenspaces example

386 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

• 15:47

Linear Algebra: Cross Product Introduction

256 views / 0 likes - added

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

• 16:55

Linear Algebra: Determinant when row is added

335 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

• 14:08

Linear Algebra: Eigenvalues of a 3x3 matrix

349 views / 0 likes - added

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

• 18:14

Linear Algebra: Matrix Product Examples

339 views / 0 likes - added

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

374 views / 0 likes - added

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

• 13:04

Linear Algebra: Subspace Projection Matrix Example

422 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

• 18:54

Linear Algebra: Introduction to the inverse of a function

324 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

325 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

• 08:07

Linear Algebra: Upper Triangular Determinant

359 views / 0 likes - added

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

• 20:00

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

362 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

355 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

• 18:00

Linear Algebra: Deriving a method for determining inverses

335 views / 0 likes - added

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

• 13:46

Algebra Basics: Laws Of Exponents - Math Antics

111 views / 0 likes - added

• 15:28

Linear Algebra: Coordinates with respect to orthonormal bases

415 views / 0 likes - added

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

• 13:57

Linear Algebra: Gram-Schmidt example with 3 basis vectors

379 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

371 views / 0 likes - added

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

• 13:20

Linear Algebra: Determinant when row multiplied by scalar

330 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

• 05:39

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

374 views / 0 likes - added

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

• 02:52

Linear Algebra: (correction) scalar muliplication of row

409 views / 0 likes - added

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

• 15:34

Linear Algebra: Eigenvectors and Eigenspaces for a 3x3 matrix

334 views / 0 likes - added

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

• 16:34

Linear Algebra: Exploring the solution set of Ax=b

331 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

• 40:00

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

119 views / 0 likes - added

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

• 10:14

Algebra Basics: Graphing On The Coordinate Plane - Math Antics

483 views / 0 likes - added

• 13:09

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

327 views / 0 likes - added

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

• 09:27

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

338 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

• 21:25

Linear Algebra: Showing that Inverses are Linear

307 views / 0 likes - added

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

• 11:14

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

406 views / 0 likes - added

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

• 18:05

This is what an 1869 MIT entrance exam looks like

141 views / 0 likes - added

Explore the foundation of algebra at https://brilliant.org/tibees/ View this exam:https://libraries.mit.edu/archives/exhibits/exam/algebra.html MIT exam archives: https://libraries.mit.edu/archives/exhibits/exam/ In this video I look at the algebra sectio

• 02:19

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

308 views / 0 likes - added

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

• 01:49

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

285 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

• 05:18

Unknowns With Multiplication And Division

292 views / 0 likes - added

Finding unknowns. Basic algebra.

• 06:08

Deriving Lorentz Transformation Part 2

249 views / 0 likes - added

Continuing the algebra to solve for the Lorentz factor.

• 14:15

Percent Problems

248 views / 0 likes - added

Percent Problems from Chapter 3 of ck12.org Algebra I textbook

• 11:06

Word Problem Solving 3

245 views / 0 likes - added

Word problem solving strategies from chapter 3 of ck12.org Algebra I book

• 02:59

Proof that 1 = 2.

170 views / 0 likes - added

Using algebra and a little deception, Mr. John Hush proves (or does he?) that 1 = 2 to a class of amazed calculus students.

• 10:04

The Naked Mole-Rat

321 views / 2 likes - added

Naked mole-rats are some of the most fascinating members of the animal kingdom - but just how unique are they? Turns out, they diverged from their nearest relative more than 31 MILLION years ago! Field Museum curator Dr. Bruce Patterson, and Yale postdoct

• 11:19

NEW RESULTS! Cosmic Quantum Bell Test

210 views / 0 likes - added

Try 23andMe at http://23andme.com/physicsgirl Original paper: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.060401 How do you test quantum mechanics with ancient stars? A new experiment aims to close loopholes to the iconic "Quantum Bell T

• 01:32

How to Solve for the Height of Cylinders

377 views / 0 likes - added

How to Solve for the Height of Cylinders. Part of the series: Algebra Tips. Solving for the height of cylinders can be accomplished in just a few moments with the right equation. Learn how to solve for the height of cylinders with help from an experienced

• 02:41

Why Don't Sleeping Bats Fall Down?

401 views / 0 likes - added

Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin O

• 01:23

Watch the world’s most powerful sonic tractor beam levitate its biggest catch

140 views / 0 likes - added

With enough tweaking, a new sonic tractor beam design could control people in zero gravity. Read the story: http://scim.ag/2EauyJ3 Read the paper: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.044301

• 19:52

Destructive Hippos, Chatty Whales, and More: 60 Second Science Podcasts

99 views / 0 likes - added

Explore Arctic ponds created by invading beavers, reefs ruled by sharks, streams shaped by salmon, and oceans filled with whales propelling, snacking, and talking. Reported by Jason G. Goldman, Emily Schwing, and Christopher Intagliata. Beluga sounds prov

• 04:50

Why is Relativity Hard? | Special Relativity Chapter 1

157 views / 0 likes - added

Thanks to http://www.brilliant.org/minutephysics for supporting this video! Thanks to my friend Mark Rober (https://www.youtube.com/channel/UCY1kMZp36IQSyNx_9h4mpCg) for making the spacetime globe, and to Grant Sanderson (https://www.youtube.com/3blue1bro

• 02:55

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

448 views / 0 likes - added

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

• 02:38

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

297 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

• 03:10

Neuroscience: Crammed With Connections

308 views / 0 likes - added

In a piece of brain tissue smaller than a dust mite, there are thousands of brain cell branches and connections. Researchers from Harvard University in Boston, MA have mapped them all in a new study appearing in Cell. They find some unexpected insights ab

Featured

>> View Abstract algebra web videos