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# Algebra

• 06:13 New

### Can you solve the basketball robot riddle? - Dan Katz

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Practice more problem-solving at https://brilliant.org/TedEd--Youve spent months creating a basketball-playing robot, the Dunk-O-Matic, and youre excited to demonstrate its capabilities. Until you read an advertisement: See the Dunk-O-Matic face human pla

• 11:56

### The Nescaf Equation (43 coffee beans) - Numberphile

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Featuring Cliff Stoll. Check https://brilliant.org/numberphile for Brilliant and get 20% off their premium service (episode sponsor) More links & stuff in full description below ↓↓↓ Cliff scrutinizes the lyrics of a Nescafé adver

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• 05:41

### How To Prove The Quadratic Formula By Completing The Square

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This algebra video tutorial explains how to prove the quadratic formula by completing square.My Website: https://www.video-tutor.netAmazon Store: https://www.amazon.com/shop/theorganicchemistrytutorSubscribe:https://www.youtube.com/channel/UCEWpbFLzoYGPfu

• 05:42

### Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

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Practice more problem-solving at https://brilliant.org/TedEd--According to legend, three galactic terraformers shaped your planet into a paradise. When their work was done, they left the source of their power behind: three golden hexagons, hidden in dunge

• 13:53 Popular

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• 13:05

### How To Graph Equations in Algebra

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This algebra video tutorial explains how to graph equations such as linear equations in slope intercept form & standard form as well as quadratic functions using transformations, factoring, & setting up a data table.Algebra Textbooks:https://amzn.to/3cetP

• 10:52

### Compound Interest

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This finance video tutorial explains how to calculate the compound interest on an annual, quarterly, and monthly basis.My Website: https://www.video-tutor.netPatreon: https://www.patreon.com/MathScienceTutorAmazon Store: https://www.amazon.com/shop/theorg

• 15:21

### Why pi^pi^pi^pi could be an integer (for all we know!).

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Check out the Jane Street programs if you're considering a mathematics/finance/programming job: https://www.janestreet.com/join-jane-street/our-programs/ Here is Tim Gowers's reply to the original tweet: https://twitter.com/wtgowers/status/134621215158170

• 13:46 Popular

### Algebra Basics: Laws Of Exponents - Math Antics

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This is a re-upload to correct a minor math typo.Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!

• 12:01 Popular

### Algebra Basics: Slope And Distance - Math Antics

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• 06:45

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Baffled by equations, well no more! Continue learning at this video's sponsor https://brilliant.org/dosLots of people find mathematical equations intimidating because they don't make sense. But they are not hard to understand if you follow a few steps, an

• 03:49 Popular

### A Different Way to Solve Quadratic Equations

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Here at Expii, we love thinking about new ways to solve any problem, and this is our newest adventure: solving quadratic equations differently. This method takes out the guesswork, is simple, and is easier to understand than what is typically written in t

• 13:15 Popular

### Math Antics - Absolute Value

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• 21:42 Popular

### LET'S PLAY SUPER MARIO QUADRATICS

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PLAY SUPER MARIO QUADRATICS: https://teacher.desmos.com/activitybuilder/custom/5c7614041509d870d4838bfdDESMOS: https://www.desmos.com/John Rowe's tweet: https://twitter.com/MrJohnRowe/status/1105772206414413824Subscribe to quarterly deliveries of my favor

• 07:20

### How To Make A Cartesian Diver

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Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/https://twitter.com/tweetsaucehttps://www.instagram.com/electricpants/Vsauce PO Box: PO Box 33168 L.A. CA 90033MATERIALS: empty squeezable plastic water bottl

• 14:28 Popular

### Math Antics - Scientific Notation

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• 09:31

### Infinite Series - Numberphile

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Fields Medallist Charlie Fefferman talks about some classic infinite series. More links & stuff in full description below ↓↓↓ Charles Fefferman at Princeton: https://www.math.princeton.edu/people/charles-fefferman Numberphile is supported by the Mathemati

• 11:09 Popular

### Math Antics - Exponents and Square Roots

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• 18:05

### This is what an 1869 MIT entrance exam looks like

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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

• 10:21

### Proving 1=2 Bob Ross Style

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Start learning new skills today at: https://skl.sh/tibees2 Todays episode looks at one 'proof' of 1=2 and points out its flaws. The moral is that you must make sure you are not accidentally dividing by zero in your calculations and also that you should al

• 40:00

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

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

• 01:43

### How to Multiply With Parentheses

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How to Multiply With Parentheses. Part of the series: Math Help With Multiplying. Multiplying with parenthesis requires you to do things in a very specific order. Find out about multiplying with parenthesis with help from a mathematics educator in this fr

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### How to Substitute Known or Given Values for the Variables in an Algebraic Expression

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Substituting known or given values for a variable is required to complete some types of operations. Learn how to substitute known or given values for a variable with help from a mathematics tutor and educator in this free video clip.

• 01:59 Popular

### Graphing Inequalities on a Number Line

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

• 03:04 Popular

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Steps to Solve Quadradic Equations. Part of the series: Equations. Quadtratic equations can be easily solved by following a straightforward, step-by-step process. Learn the steps to solve quadratic equations with help from a mathematics tutor and educator

• 03:05 Popular

### Four Steps to Solve a Absolute Value Equation

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Four Steps to Solve a Absolute Value Equation. Part of the series: Help With Equations. Solving a absolute value equation requires you to complete four distinct steps. Learn the four steps to solve an absolute value equation with help from an experienced

• 02:53 Popular

### Slope Equation for Intersecting Lines

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Slope Equation for Intersecting Lines. Part of the series: Equations. Intersecting lines can be properly expressed using the correct slope equation. Find out about the slope equation for intersecting lines with help from a mathematics tutor and educator i

• 05:48

### What Is The Area? "You Should Be Able To Solve This"

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Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My blog post for this vi

• 04:51 Popular

### Why can't you divide by zero? - TED-Ed

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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-can-t-you-divide-by-zero In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have

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• 02:59

### Proof that 1 = 2.

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

• 08:06

### Catalan's Conjecture - Numberphile

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With Dr Holly Krieger from Murray Edwards College, University of Cambridge. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More links & stuff in full description below ↓↓↓ More Numberphile videos with Dr Krieger: http:/

• 02:29 Popular

### Division with Zero - Maths Tricks #4

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In this video Bawa first explains what is division and then goes on to talk about division by zero. You will understand exactly why anything divided by zero is not defined, zero divided by anything is zero and zero divided by itself is indeterminate. This

• 04:23 Popular

### The coin flip conundrum - Po-Shen Loh

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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-coin-flip-conundrum-po-shen-loh When you flip a coin to make a decision, there's an equal chance of getting heads and tails. What if you flipped two

• 01:20

### Foiled Proof

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MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nat

• 05:26 Popular

### Can you solve the dark coin riddle? - Lisa Winer

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Practice more problem-solving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededcoinflip You heard the travelers’ tales, you followed the maps, and now, you’ve finally located the dungeon contain

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• 04:28 Popular

### Product rule - Logarithm derivatives example

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Learn calculus with this product rule Derivative example with logarithms and exponential functions. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMee

• 14:22

### What is 0 to the power of 0?

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Great lecture about what 0 to the power 0 really means.

• 08:28

### Finding X and Y Intercepts on a Graph (TTP Video 31)

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Defining and finding the X and Y intercepts when given a graph.

• 29:35

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

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

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

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

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### Basic Linear Functions - Math Antics

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• 03:48

### Pythagorean theorem with right triangle

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Pythagorean theorem with right triangle

• 03:41

### Example finding distance with Pythagorean theorem

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Example finding distance with Pythagorean theorem

• 22:41

### Calculating the optimal sphere packing density: with oranges

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Check out the corresponding video I made with Steve Mould for his channel. https://youtu.be/O3RsDIWB7s0 Thomas Hales’s proof of the Kepler Conjecture. http://annals.math.princeton.edu/wp-content/uploads/annals-v162-n3-p01.pdf The Kepler Conjecture on wiki

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### Math Antics - The Pythagorean Theorem

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• 04:32 Popular

### Math Word problems - Solving triangles

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Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

• 03:02 Popular

### Can you solve the never ending square root?

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This never ending square root can actually be solve using basic alegra. Find the exact value of this never square root. This problem is much easier than it looks. My name is Chris and my passion is to teach math. Learning should never be a struggle which

• 05:47 Popular

### Imaginary Numbers Are Real [Part 1: Introduction]

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More information and resources: http://www.welchlabs.com Imaginary numbers are not some wild invention, they are the deep and natural result of extending our number system. Imaginary numbers are all about the discovery of numbers existing not in one dimen

• 05:38 Popular

### Algebra word problem - System of Equations

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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

• 07:25 Popular

### Algebra Word Problem - Factoring

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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.

• 05:24 Popular

### Math Challenge - Shrinking Pool Problem

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Think you can solve this math challenge? Every time a boy jumps into the pool it shrinks by a certain amount. Thy boy jumps into the pool 3 times. You must find the original length of the pool My name is Chris and my passion is to teach math. Learning sho

• 04:09 Popular

### Easy algebra word problem - But can you solve it?

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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

• 11:34 Popular

### Algebra Basics: What Are Functions? - Math Antics

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• 03:48 Popular

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

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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

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

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• 02:51 Popular

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

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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:

• 04:22 Popular

### Impossible Algebra Problem

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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

• 01:57 Popular

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Pick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick

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• 03:33 Popular

### Can You Solve This Intelligence Test? Viral Facebook Puzzle

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If 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I

• 11:54 Popular

### Algebra Basics: The Distributive Property - Math Antics

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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

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### Least Common Multiples Of Polynomials

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Least common multiples of polynomials

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

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### 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

• 03:36 Popular

### 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

• 02:48 Popular

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

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• 03:21 Popular

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

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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

• 07:34 Popular

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

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### 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/

• 02:36 Popular

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

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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

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

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

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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

• 03:53 Popular

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

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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

• 02:35 Popular

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

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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

• 02:36 Popular

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

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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

• 03:43 Popular

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

/ 1,435 views

• 03:52 Popular

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

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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

• 03:45 Popular

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

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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

• 04:51 Popular

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

/ 1,281 views

• 02:27 Popular

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

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

• 09:29 Popular

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

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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

• 06:56 Popular

### 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

• 09:15 Popular

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

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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

• 07:51 Popular

### 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

• 04:25 Popular

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

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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

• 04:31 Popular

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

/ 1,547 views

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

• 02:32 Popular

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

/ 1,790 views

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

• 04:33 Popular

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

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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_

• 04:17 Popular

### 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

• 03:50 Popular

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

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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

• 01:34 Popular

### 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

• 09:50 Popular

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

/ 2,140 views

• 08:30 Popular

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

/ 1,847 views

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

• 02:07 Popular

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

/ 1,532 views

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

• 06:29 Popular

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

/ 1,396 views

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/

• 03:28 Popular

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

/ 1,672 views

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

• 03:40 Popular

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

/ 1,640 views

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

• 06:55 Popular

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

/ 1,710 views

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

• 09:43 Popular

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

/ 1,598 views

• 09:36 Popular

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

/ 2,229 views

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.

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

/ 616 views

• 02:49 Popular

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

/ 1,184 views

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

• 08:34 Popular

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

/ 1,866 views

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

• 05:05 Popular

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

/ 887 views

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

• 03:38 Popular

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

/ 722 views

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

• 09:17 Popular

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

/ 1,889 views

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

• 09:16 Popular

/ 1,356 views

• 04:16 Popular

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

/ 1,142 views

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

• 03:03 Popular

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

/ 1,569 views

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

• 06:20 Popular

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

/ 1,182 views

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/

• 03:09 Popular

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

/ 1,769 views

• 06:14 Popular

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

/ 1,524 views

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

• 01:11 Popular

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

/ 1,096 views

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

• 03:08 Popular

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

/ 1,669 views

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

• 02:39 Popular

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

/ 1,957 views

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/

• 05:34 Popular

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

/ 1,387 views

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?

• 06:17 Popular

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

/ 892 views

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

• 09:45 Popular

/ 1,595 views

• 08:13 Popular

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

/ 1,170 views

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

• 03:21 Popular

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

/ 789 views

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

• 05:41 Popular

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

/ 713 views

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

• 07:14 Popular

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

/ 1,632 views

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

• 04:20 Popular

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

/ 1,757 views

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

• 14:13 Popular

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

/ 1,965 views

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

• 20:48 Popular

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

/ 1,967 views

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

• 05:51 Popular

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

/ 2,143 views

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

• 05:20 Popular

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

/ 1,921 views

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

• 09:23 Popular

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

/ 2,149 views

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

• 04:24 Popular

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

/ 1,664 views

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

• 05:42 Popular

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

/ 1,222 views

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/

• 03:33 Popular

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

/ 1,262 views

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

• 04:07 Popular

/ 1,340 views

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

• 07:18 Popular

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

/ 1,215 views

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

• 07:00

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

/ 643 views

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

• 05:06

### Lorentz Transformation For Change In Coordinates

/ 688 views

Lorentz transformation for change in coordinates

• 06:08

### Deriving Lorentz Transformation Part 2

/ 587 views

Continuing the algebra to solve for the Lorentz factor.

• 10:55 Popular

### Lorentz Transformation Derivation Part 1

/ 752 views

Using symmetry of frames of reference and the absolute velocity of the speed of light (regardless of frame of reference) to begin to solve for the Lorentz factor.

• 11:22

### Lorentz Transformation Derivation Part 3

/ 584 views

Finishing our Lorentz transformation derivation for t'.

• 10:43 Popular

### Algebra Basics: Simplifying Polynomials - Math Antics

/ 3,230 views

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
• 09:38

/ 509 views

• 07:55

/ 539 views

• 08:04

### Galilean Transformation And Contradictions With Light

/ 607 views

Galilean transformation and contradictions with light

• 07:15

### Deriving Formula For Sum Of Finite Geometric Series

/ 673 views

Deriving formula for sum of finite geometric series

• 07:02

### Evaluating Finite Arithmetic Series

/ 683 views

Evaluating finite arithmetic series

• 06:47

### Evaluating Arithmetic Sum Example

/ 639 views

Evaluating arithmetic sum example

• 05:21 Popular

### Finding Sum From Recursive Definition Of Sequence

/ 827 views

Finding sum from recursive definition of sequence

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

/ 919 views

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

• 03:30 Popular

### Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

/ 2,586 views

• 09:40 Popular

### Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

/ 1,027 views

• 03:42 Popular

### Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy

/ 1,064 views

Watch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-harder?utm_source=YT&utm_mediu

• 07:02 Popular

### Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

/ 2,354 views

Watch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-easier?utm_source=YT&utm_medi

• 02:33 Popular

### Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

/ 1,570 views

• 01:16 Popular

### Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

/ 957 views

• 05:39 Popular

### Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy

/ 850 views

• 02:57 Popular

### Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

/ 1,515 views

Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New

• 02:39 Popular

### Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

/ 1,455 views

Watch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N

• 01:22 Popular

### Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy

/ 881 views

• 04:50 Popular

/ 819 views

• 03:22

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

/ 668 views

• 03:06 Popular

### Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

/ 1,321 views

Watch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca

• 05:55 Popular

### Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

/ 1,867 views

Watch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp

• 03:13 Popular

### Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy

/ 836 views

Watch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-easier?utm_source=YT&utm_medium=Desc&utm_camp

• 01:36 Popular

### Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy

/ 1,082 views

Watch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-harder?utm_source=YT&utm_medium=Desc&utm_campaign=

• 01:15 Popular

### Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy

/ 1,316 views

Watch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-easier?utm_source=YT&utm_medium=Desc&utm_campaign

• 02:22 Popular

### Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy

/ 766 views

Watch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS

• 02:26 Popular

### Function Notation — Basic Example | Math | New SAT | Khan Academy

/ 1,136 views

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse

• 02:38 Popular

### Function Notation — Harder Example | Math | New SAT | Khan Academy

/ 1,217 views

Watch Sal work through a harder Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse

• 03:59 Popular

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

/ 1,038 views

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous

• 02:50 Popular

### Complex Numbers — Basic Example | Math | New SAT | Khan Academy

/ 1,024 views

Watch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

• 05:25 Popular

### Complex Numbers — Harder Example | Math | New SAT | Khan Academy

/ 1,049 views

Watch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/walk-through-sat-practice-platform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi

• 08:21 Popular

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

/ 2,058 views

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

• 07:11 Popular

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

/ 2,057 views

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

• 02:35 Popular

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

/ 1,270 views

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 Popular

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

/ 1,059 views

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

• 02:40 Popular

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

/ 2,250 views

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

• 02:35 Popular

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

/ 1,433 views

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

• 05:30 Popular

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

/ 1,883 views

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-

• 03:12 Popular

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

/ 1,942 views

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 Popular

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

/ 1,789 views

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

• 08:52 Popular

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

/ 1,928 views

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

/ 1,152 views

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

• 01:07 Popular

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

/ 1,086 views

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

• 01:49 Popular

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

/ 1,859 views

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

• 01:40 Popular

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

/ 1,013 views

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_

• 03:24 Popular

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

/ 1,429 views

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

• 03:04 Popular

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

/ 913 views

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

• 02:36 Popular

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

/ 1,969 views

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

• 05:09 Popular

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

/ 1,327 views

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

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### Algebra Basics: What Are Polynomials? - Math Antics

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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

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### 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:

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### A Trip Through Space To Calculate Distance - Heather Tunnell

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View full lesson: http://ed.ted.com/lessons/a-trip-through-space-to-calculate-distance-heather-tunnell Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we

• 04:32

### The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

/ 618 views

Learn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents?utm_source=Y

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### How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

/ 1,015 views

Learn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6t

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