This tutorial will help you understand what a set is, and the different kinds of sets that you may see when you're working on algebra problems :)
Got a set of ordered pairs? Then you have a relation! This tutorial takes a look at relations!
Ordered pairs are a crucial part of graphing, but you need to know how to identify the coordinates in an ordered pair if you're going to plot it on a coordinate plane. In this tutorial, you'll see how to identify the x-coordinate in an ordered pair!
Even graphs need to worry about tests! Using the vertical line test, you can figure out if a graph is a function or not. Watch this tutorial and learn about the vertical line test. Then, put your graphs to the test!