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Introduction to Foundations of Algebra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii–xviii

Chapter Chapter

Rational Numbers Real Numbers

Chapter Opener . . . . . . . . . . . . . . . . . . . . . . . . . 1

1-1 The Rational Numbers. . . . . . . . . . 2

1-2 The Rational Numbers on

a Number Line . . . . . . . . . . . . . . . . . . . . . 4

1-3 Greatest Common Factor

(GCF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1-4 Multiples: LCM and LCD . . . . . . . . 8

1-5 Compare and Order

Rational Numbers . . . . . . . . . . . . . . . . . . 10

Check Your Progress I (Lessons 1–5)

1-6 Estimate with

Introduction to Foundations of Algebra . . . . . Chapter Expressions and Equations Chapter Opene Chapter Polynomials and Factoring Chapter Opene Chapter Ratio and Proportion Chapter Opener . . Chapter Two-Dimensional Geometry Chapter Opener Chapter Patterns and Nonlinear Functions Chapte Chapter Data Analysis and Statistics Chapter Op End-of-Book Skills Update I. Place Value (w In This Chapter You Will: ● Identify relations an 6-1 Relations and Functions Obje Practice & Activities If a function is specifi Update your skills. See page 414 XX. 6-2 Practice & Activities Given a function table, 6-3 Scatter Plots Objective To It is a Correlation trend describes the relati 6-4 Slope of a Line Objective Some lines have slopes that are neither positive 6-5 The x- and y-Intercepts of a Check Your Progress I To find the x- and y-int 6-6 Linear Functions: Standard Form Practice & Activities Given the slope and y-in 6-7 Linear Functions: Point-Slope Practice & Activities You can also write a fun 6-8 Parallel and Perpendicular L Practice & Activities 1 Write the equation 6-9 Direct Variation Objective Check Your Progress II You can solve problems t 6-10 Solve Systems of Equations Practice & Activities If the graph of a system 6-11 Solve Systems of Equations Practice & Activities A system of equations, o 6-12 Linear Inequalities in Two Practice & Activities Sometimes it helps to re 6-13 Systems of Linear Inequalit Check Your Progress III You can model some real 6-14 Problem-Solving Strategy: Practice & Activities Problem 2: Rafael has fi More Enrichment Topics Enrichment: Algebraic Fal Test Prep: Short-Answer Questions Strategy: Show Solve. Show or describe your steps. 1. The tabl