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Algebra Videos


Simplifying Radicals

We don't like knocking people down to size, but we do like simplifying radicals. Join us?


Coordinates and Graphs Videos 64 videos

Plotting Points in 3D
876 Views

The video will show you how to plot points in 3D using the axes of the 3D coordinate system. Make sure you're wearing your special glasses for this...

Graphing Linear Inequalities on a Coordinate Plane
6342 Views

When graphing inequalities, you graph the line, shade the corresponding side, and plug in the point. The end!

Coordinates and Distance Formula
8017 Views

One formula to rule them all, one formula to find them. One formula to bring them all, and in the darkness bind them. Or something like that. I...

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Exponents and Radicals Videos 11 videos

Square Root Expressions
1035 Views

Start within the parentheses, and then work your way out. Do that, and this expression is yours.

Solving Radical Equations
2184 Views

To solve radical equations, you square both sides, FOIL it out if necessary, and simplify. Ta da!

Finding and Estimating Square Roots
3532 Views

Finding square roots is simple. Don't believe us? Watch the video and be amazed. But not that amazed—it's just square roots.

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Expressions Videos 14 videos

ACT Math 4.4 Intermediate Algebra
413 Views

ACT Math: Intermediate Algebra Drill 4, Problem 4. Add these together.

ACT Math 5.4 Intermediate Algebra
789 Views

ACT Math: Intermediate Algebra: Drill 5, Problem 4. Which expression is equivalent?

ACT Math 5.3 Pre-Algebra
476 Views

ACT Math: Pre-Algebra Drill 5, Problem 3. Find the remainder.

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Fractions Videos 8 videos

CAHSEE Math 1.3 Algebra I
269 Views

Algebra I Drill 1, Problem 3. Solve the equation.

CAHSEE Math 2.1 Number Sense
262 Views

Number Sense: Drill Set 2, Problem 1. Which of the following is equivalent?

Which fraction equals 65 percent?
244 Views

Number Sense: Drill Set 2, Problem 2. Which fraction equals 65 percent?

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Functions Videos 43 videos

Piecewise Functions
6242 Views

Don’t even think about starting up your combo lemonade/fro-yo stand without first making sure you understand piecewise functions. You’re just a...

Domain and Range
5413 Views

Domain and range: two terms you will learn to love (or hate with a vengeance). The domain is the set of all possible x values, and range is the set...

Functions as Models
743 Views

Functions briefly flirted with the idea of being infomercial hosts, but they didn’t shine when talking on-camera. They’re much better off in th...

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Logarithms Videos 1 videos

ACT Math 4.5 Intermediate Algebra
620 Views

ACT Math Intermediate Algebra Drill 4, Problem 5. Find the value of x.

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Multiple Variables Videos 6 videos

ACT Math 3.5 Elementary Algebra
311 Views

ACT Math: Elementary Algebra Drill 3.5. Simplify the expression.

ACT Math 4.5 Pre-Algebra
716 Views

ACT Math: Pre-Algebra Drill 4, Problem 5. If N is divisible by 2 and 3, then what is the remainder when N is divided by 6?

ACT Math 7.1 Pre-Algebra
456 Views

ACT Math: Pre-Algebra Drill 7, Problem 1. Solve for x.

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Multiplication and Division Videos 4 videos

ACT Math 1.2 Intermediate Algebra
764 Views

ACT Math Intermediate Algebra Drill 1, Problem 2. Find the product of (2a + 6)2.

CAHSEE Math 5.2 Number Sense
223 Views

Number Sense: Drill Set 5, Problem 2. Which of the following is equivalent to the expression shown?

CAHSEE Math 5.3 Number Sense
259 Views

Number Sense Drill 5 Problem 3. Which of the following is equivalent to the expression?

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Percents Videos 7 videos

CAHSEE Math 2.5 Number Sense
350 Views

Number Sense: Drill Set 2, Problem 5. By what percent did his percentage grade increase from one test to the other?

CAHSEE Math 3.1 Number Sense
279 Views

Number Sense: Drill Set 3, Problem 1. This is a decrease of, approximately, what percent?

CAHSEE Math 3.2 Number Sense
239 Views

CAHSEE Math: Number Sense Drill 3, Problem 2. If a number is tripled and the result is halved, what is the percentage increase of the resulting num...

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Real Numbers and Quantities Videos 14 videos

Interceptar
237 Views

Tenemos algunos ejes para moler contigo. Llamados X y Y

CAHSEE Math 1.5 Number Sense
229 Views

Number Sense: Drill Set 1, Problem 5. Which of the following is equivalent?

All You Need to Know about Slopes of Parallel and Perpendicular Lines
2804 Views

So many parallel and perpendicular lines all over the place, and none of them have been labeled. Which begs the question: whose lines are they, any...

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Scientific Notation Videos 3 videos

CAHSEE Math 1.1 Number Sense
780 Views

CAHSEE Number Sense: Drill Set 1, Problem 1. How would he write the number in scientific notation?

CAHSEE Math 1.2 Number Sense
432 Views

CAHSEE Math Number Sense: Drill Set 1, Problem 2. The decimal 0.000035 can be written in scientific notation as...what?

CAHSEE Math 1.3 Number Sense
488 Views

CAHSEE Math Number Sense: Drill Set 1, Problem 3. Which of the following numbers is the largest?

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Sequences and Series Videos 12 videos

ACT Math 3.1 Intermediate Algebra
2003 Views

ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.

ACT Math 3.2 Intermediate Algebra
371 Views

ACT Math: Intermediate Algebra Drill 3, Problem 2. Find the sixth number in the series.

ACT Math 4.2 Pre-Algebra
433 Views

ACT Math: Pre-Algebra Drill 4, Problem 2. What is the fourth term in the series?

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Square Roots Videos 13 videos

ACT Math 2.2 Intermediate Algebra
550 Views

ACT Math Intermediate Algebra Drill 2, Problem 2. How else can the expression be written?

ACT Math 2.3 Intermediate Algebra
352 Views

ACT Math: Intermediate Algebra Drill 2, Problem 3. Which of the following is equal to the expression shown?

ACT Math 4.2 Intermediate Algebra
487 Views

ACT Math: Intermediate Algebra Drill 4, Problem 2. What is the root of this equation?

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