Algebra 2

Chapter 7

SAMPLE

Algebra 2 Common Core

Brief Contents

Also Available

Algebra 2 Foundations

Series

Using Your Book for Success Contents Entry-Level Assessment Chapter 1 Expressions, Equations, and Inequalities Chapter 2 Functions, Equations, and Graphs Chapter 3 Linear Systems Chapter 4 Quadratic Functions and Equations Chapter 5 Polynomials and Polynomial Functions

Chapter 6 Radical Functions and Rational Exponents

Chapter 7 Exponential and Logarithmic Functions

Chapter 8 Rational Functions Chapter 9 Sequences and Series Chapter 10 Quadratic Relations and Conic Sections Chapter 11 Probability and Statistics Chapter 12 Matrices Chapter 13 Periodic Functions and Trigonometry Chapter 14 Trigonometric Identities and Equations

End-of-Course Practice Test

Skills Handbook Reference Visual Glossary Selected Answers Index Acknowledgments

Table of Contents

Chapter 1: Expressions, Equations, and Inequalities

Get Ready!

1

My Math Video

3

1-1 Patterns and Expressions

4

1-2 Properties of Real Numbers

11

1-3 Algebraic Expressions

18

Mid-Chapter Quiz

25

1-4 Solving Equations

26

1-5 Solving Inequalities

33

1-6 Absolute Value Equations and Inequalities

41

Assessment and Test Prep

Pull It All Together

49

Chapter Review

50

Chapter Test

53

Cumulative Standards Review

54

Table of Contents (continued)

Chapter 2: Functions, Equations, and Graphs

Get Ready!

57

My Math Video

59

2-1 Relations and Functions

60

2-2 Direct Variation

68

2-3 Linear Functions and Slope-Intercept Form

74

2-4 More About Linear Equations

81

Mid-Chapter Quiz

89

Concept Byte: Piecewise Functions

90

2-5 Using Linear Models

92

2-6 Families of Functions

99

2-7 Absolute Value Functions and Graphs

107

2-8 Two-Variable Inequalities

114

Assessment and Test Prep

Pull It All Together

121

Chapter Review

122

Chapter Test

127

Cumulative Standards Review

128

Table of Contents (continued)

Chapter 3: Linear Systems

Get Ready!

131

My Math Video

133

3-1 Solving Systems Using Tables and Graphs

134

3-2 Solving Systems Algebraically

142

3-3 Systems of Inequalities

149

Mid-Chapter Quiz

156

3-4 Linear Programming

157

Concept Byte: TECHNOLOGY Linear Programming

163

Concept Byte: ACTIVITY Graphs in Three Dimensions

164

3-5 Systems with Three Variables

166

3-6 Solving Systems Using Matrices

174

Assessment and Test Prep

Pull It All Together

182

Chapter Review

183

Chapter Test

187

Cumulative Standards Review

188

Table of Contents (continued)

Chapter 4: Quadratic Functions and Equations

Get Ready!

191

My Math Video

193

4-1 Quadratic Functions and Transformations

194

4-2 Standard Form of a Quadratic Function

202

4-3 Modeling with Quadratic Functions

209

Concept Byte: Identifying Quadratic Data

215

4-4 Factoring Quadratic Expressions

216

Mid-Chapter Quiz

224

Algebra Review: Square Roots and Radicals

225

4-5 Quadratic Equations

226

Concept Byte: Writing Equations From Roots

232

4-6 Completing the Square

233

4-7 The Quadratic Formula

240

4-8 Complex Numbers

248

Concept Byte: Quadratic Inequalities

256

4-9 Quadratic Systems

258

Concept Byte: EXTENSION Powers of Complex Numbers

265

Assessment and Test Prep

Pull It All Together

266

Chapter Review

267

Chapter Test

273

Cumulative Standards Review

274

Table of Contents (continued)

Chapter 5: Polynomials and Polynomial Functions

Get Ready!

277

My Math Video

279

5-1 Polynomial Functions

280

5-2 Polynomials, Linear Factors, and Zeros

288

5-3 Solving Polynomial Equations

296

5-4 Dividing Polynomials

303

Mid-Chapter Quiz

311

5-5 Theorems About Roots of Polynomial Equations

312

Concept Byte: EXTENSION Using Polynomial Identities

318

5-6 The Fundamental Theorem of Algebra

319

Concept Byte: ACTIVITY Graphing Polynomials Using Zeros

325

5-7 The Binomial Theorem

326

5-8 Polynomial Models in the Real World

331

5-9 Transforming Polynomial Functions

339

Assessment and Test Prep

Pull It All Together

346

Chapter Review

347

Chapter Test

353

Cumulative Standards Review

354

Table of Contents (continued)

Chapter 6: Radical Functions and Rational Exponents

Get Ready!

357

My Math Video

359

Concept Byte: REVIEW Properties of Exponents

360

6-1 Roots and Radical Expressions

361

6-2 Multiplying and Dividing Radical Expressions

367

6-3 Binomial Radical Expressions

374

6-4 Rational Exponents

381

Mid-Chapter Quiz

389

6-5 Solving Square Root and Other Radical Equations

390

6-6 Function Operations

398

6-7 Inverse Relations and Functions

405

Concept Byte: TECHNOLOGY Graphing Inverses

413

6-8 Graphing Radical Functions

414

Assessment and Test Prep

Pull It All Together

421

Chapter Review

422

Chapter Test

427

Cumulative Standards Review

428

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