# Chapter 10: Quadratic Equations and Functions

Difficulty Level:

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

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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