Virtual Nerd: How Do You Find a Union and Intersection From a Venn Diagram

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.

Review for the SAT by reviewing how to figure out if the values in a replacement set are part of a solution set to an inequality. Watch this video for an example. [2:03]

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]

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

When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...

Take a look at this tutorial to see how to find all the missing angle measurements by identifying vertical, corresponding, adjacent, and alternate exterior angles. [4:43]

You can use the formula for the area of a circle to find the radius. This tutorial shows you how to use that formula and the given value for the area to find the radius. [3:28]

Tutorial illustrates how to find the slope of a line by first identifying two points on a graphed line then using these points to calculate the slope. [3:03]