Virtual Nerd: What's a Set?

How do you find the intersections and union of a set using a Venn Diagram? Watch this tutorial for an explanation and example. [2:05]

Do you remember what order to follow when you simplify an expression? To review for the SAT, watch this tutorial for a reminder of the order of operations. [3:18]

There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve a system of linear equations by combining the equations together in order to eliminate one of the variables. Then, see how to...

Prepare for the SAT by reviewing how to simplify expressions using the distributive property. Watch this video for an explanation and examples. [5:45]

Review the power of the quotient rule to prep for the SAT. Watch this video and learn how to split an exponent and put it in the numerator and denominator of a fraction using the power of the quotient rule. [4:54]

Reacquaint yourself with exponents in advance of the SAT. Watch this video for examples of problems involving exponents. [6:30]

Review your understanding of the power of a product rule before the SAT. This video will give you an explanation along with examples. [4:40]

Working with a zero exponent makes an expression very easy to figure out, yet it comes with some special rules. Watch this tutorial for guidance when working with a zero exponent. [7:08]

To simplify radicals, review the product property of square roots. This video will explain the concept along with examples. [4:15]

A negative exponent sounds intimidating! Follow this tutorial and you will see there is nothing to fear. This video will give you examples so you understand the true meaning of negative exponents. [7:22]