# Chapter 10: Quadratic Equations and Functions

Created by: CK-12

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As you saw in Chapter 8, algebraic functions not only produce straight lines but curved ones too. A special type of curved function is called a parabola. Perhaps you have seen the shape of a parabola before:

- The shape of the water from a drinking fountain
- The path a football takes when thrown
- The shape of an exploding firework
- The shape of a satellite dish
- The path a diver takes into the water
- The shape of a mirror in a car’s headlamp

Many real life situations model a quadratic equation. This chapter will explore the graph of a quadratic equation and how to solve such equations using various methods.

## Chapter Outline

- 10.1. Graphs of Quadratic Functions
- 10.2. Solving Quadratic Equations by Graphing
- 10.3. Solving Quadratic Equations Using Square Roots
- 10.4. Solving Quadratic Equations by Completing the Square
- 10.5. Solving Quadratic Equations Using the Quadratic Formula
- 10.6. The Discriminant
- 10.7. Linear, Exponential, and Quadratic Models
- 10.8. Problem-Solving Strategies: Choose a Function Model
- 10.9. Chapter 10 Review
- 10.10. Chapter 10 Test

### Chapter Summary

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## Description

This chapter introduces students to quadratic equations and various methods of solving them. Also considered is the discriminant and linear, exponential, and quadratic models.

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## Date Created:

Feb 22, 2012## Last Modified:

Apr 29, 2014
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