Real math help.
How is a Function Defined?
Note:
You can't go through algebra without learning about functions. This tutorial shows you the definition of a function and gives you an example of a function. Take a look!
Background Tutorials
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Sets and Number Lines
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What's a Set?
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 :)
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Graphing in the Coordinate Plane
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What is the X-Coordinate?
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!
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Relation Definitions
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What is a Relation?
Got a set of ordered pairs? Then you have a relation! This tutorial takes a look at relations!
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Further Exploration
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Working With Functions
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What's the Vertical Line Test?
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!
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