# Chapter 9: Rational Functions

Difficulty Level:

**At Grade**Created by: CK-12

This chapter deals with functions that have the variable in the denominator of a fraction. First, we will discuss the concept of variation and how that relates to a rational function. Next, we will graph several different types of rational functions followed by multiplying, dividing, adding, and subtracting rational expressions. Lastly, we will solve rational equations.

Chapter Outline

- 9.1.
## Direct, Inverse, and Joint Variation

- 9.2.
## Graphing Rational Functions

- 9.3.
## Simplifying, Multiplying, and Dividing Rational Expressions

- 9.4.
## Adding & Subtracting Rational Expressions and Complex Fractions

- 9.5.
## Solving Rational Equations

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Description

This chapter covers graphing rational functions, simplifying, multiplying, dividing, adding, subtracting rational expressions and solving rational equations.

Difficulty Level:

At Grade
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Date Created:

Dec 16, 2014
Last Modified:

Aug 25, 2015
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