# Chapter 9: Rational Functions

Created by: CK-12

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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

### Chapter Summary

### Image Attributions

## Description

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

## Difficulty Level:

At Grade## Categories:

## Date Created:

Apr 23, 2013## Last Modified:

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