Virtual Nerd: What Are Multiplicative Inverses?

How can two numbers be multiplied to get a product of one? Why is this even important? One reason this is an important skill has to do with getting rid of denominators. So learn about multiplicative inverses in this video.

The instructor demonstrates that when you add the opposite value of a given number to that number you will always get zero. Then she shows how multiplying by the inverse of any number except zero will equal 1.

What if we want to find the probability of more than one event occurring? This would be a compound event. Watch this video for an explanation and example. [3:29]

This video will help you understand that opposite operations will undo each other. Watch examples showing addition is the opposite of subtraction and division is the opposite of multiplication. [3:29]

Learn about the Inverse Property of Matrix Addition by watching this tutorial. [5:44]

Learn some of the common phrases associated with inequalities such as a compound inequality and an absolute power inequality. This tutorial will define these terms and provide examples. [4:22]

Lines that are parallel have a very special quality. This tutorial takes a look at parallel lines and how they are different from other types of lines. [4:06]

Two lines that cut across one another are called intersecting lines. Learn about them by watching this tutorial. [7:19]

This video tutorial introduces skew lines which are two lines that do not intersect and are not parallel. [3:46]

Vertical angles are always congruent to one another. Take a look at this tutorial to learn about and see how to identify vertical angles. [4:07]