Virtual Nerd: How Do You Find a Solution Set When You Have a Replacement Set

Go back to the basics and review how to find the square root of a perfect square. This video will walk you through the process and provide examples. [1:59]

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]

Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...

Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...

You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.

A straightforward explanation of domain and range. The domain of a set of coordinates are the X-values, and then range are the Y-values of the set.

Is there a difference between the union of sets and the intersection of sets? The teacher uses a Venn diagram to illustrate how to determine what makes a union and what makes an intersection of sets.

Finding the domain and range of the inverse of a relation can be tricky, unless you know the correct steps! It's not that complicated. Watch this video and see how the instructor does the inverse of a relation before writing the domain...

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]