Virtual Nerd: How Do You Find the Square of a Perfect Square?

Review how to use the product of powers rule to simplify an expression. This tutorial will walk you through the process and show you examples. [3:22]

Watch how to simplify an expression using the quotient of powers rule. This tutorial will explain the process and show examples. [2:58]

The instructor demonstrates how to find the square root of a fraction. She simply explains that you separate the numerator and denominator, meaning you find the square root of the numerator, and then you find the square root of the...

Teach excluded values with this video. Using a real example, a lecturer breaks down how to find the excluded values of a rational expression. She defines what an excluded value is and completes the problem, explaining each step along the...

The teachers uses a diagram to set up her initial equation to reflect the changes being made to a garden plot. She has a good explanation of how she got her equation. Then she works through the steps to solve the equation.

Learn how to use an algebraic formula to find the distance between two given points on a coordinate plane.

How do you simplify expressions that have negative exponents? This video will walk you through the process and provide examples. [3:39]

Brush up on converting numbers in expanded form into exponential form for the SAT. Watch how to write a repeated multiplication in exponential form. [2:34]

Exponents indicate repeated multiplication. Watch how to write an exponent in expanded form in this tutorial. [2:46]

Review for your SAT by brushing up on Venn diagrams. Watch this video on how to find the union and intersection of sets. [1:58]