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What Are Variables?

What Are Variables?

ContentsMore Practice:Brightstorm LessonsSAT Test PrepVariables are used throughout Algebra, Geometry, and Calculus. They are the basic building blocks. Variables are therefore very important to understand....
How Do You Graph Rational Functions, n=m?

How Do You Graph Rational Functions, n=m?

ContentsHow Do You Graph Rational Functions, n=m? How Do You Graph Rational Functions, n=m? Rational Function Graphs: There are different characteristics to look for when creating rational function graphs....
What Are Percentages?

What Are Percentages?

ContentsWhat Are Percentages? What Are Percentages? A percentage is a special ratio in which the second term of the ratio is always 100. By expressing a number as a percentage you are reflecting how many...
What Are Ratios and Proportions?

What Are Ratios and Proportions?

Learning to work with ratios and proportions is one of the most useful things you can learn to do. Mastering ratios and proportions will help you figure out everything from the amount of paint you need...
Simplifying Expressions & Combining Like Terms

Simplifying Expressions & Combining Like Terms

It is important to combine like terms so that you are dealing with the simplest form of the expression or equation. This makes the expression or equation simpler to work with and shorter to read. This...
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