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Elementary Algebra

Introduction

Elementary AlgebraIntroduction
This figure is a photo of the Sydney Harbor bridge in Sydney, Australia.
Figure 7.1 The Sydney Harbor Bridge is one of Australia’s most photographed landmarks. It is the world’s largest steel arch bridge with the top of the bridge standing 134 meters above the harbor. Can you see why it is known by the locals as the “Coathanger”?

Chapter Outline

7.1 Greatest Common Factor and Factor by Grouping
7.2 Factor Quadratic Trinomials with Leading Coefficient 1
7.3 Factor Quadratic Trinomials with Leading Coefficient Other than 1
7.4 Factor Special Products
7.5 General Strategy for Factoring Polynomials
7.6 Quadratic Equations

Quadratic expressions may be used to model physical properties of a large bridge, the trajectory of a baseball or rocket, and revenue and profit of a business. By factoring these expressions, specific characteristics of the model can be identified. In this chapter, you will explore the process of factoring expressions and see how factoring is used to solve certain types of equations.

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