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, INSTRUCTOR’S SOLUTIONS
MANUAL
TIM BRITT
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Jackson State Community College
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ALGEBRA AND TRIGONOMETRY
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E NHANCED WITH G RAPHING U TILITIES
E IGHTH E DITION
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Michael Sullivan
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Chicago State University
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Michael Sullivan III
Joliet Junior College
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ISBN-13: 978-0-13-581300-3
ISBN-10: 0-13-581300-X
, Table of Contents
Chapter R Review
R.1 Real Numbers .......................................................................................................................... 1
R.2 Algebra Essentials ................................................................................................................... 5
R.3 Geometry Essentials .............................................................................................................. 11
R.4 Polynomials ........................................................................................................................... 16
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R.5 Factoring Polynomials ........................................................................................................... 23
R.6 Synthetic Division ................................................................................................................. 28
R.7 Rational Expressions ............................................................................................................. 30
R.8 nth Roots; Rational Exponents .............................................................................................. 40
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Chapter 1 Graphs, Equations, and Inequalities
1.1 Graphing Utilities; Introduction to Graphing Equations ....................................................... 50
1.2 Solving Equations Using a Graphing Utility; Linear and Rational Equations....................... 57
1.3 Quadratic Equations .............................................................................................................. 71
1.4 Complex Numbers; Quadratic Equations in the Complex Number System .......................... 90
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1.5 Radical Equations; Equations Quadratic in Form; Absolute Value Equations;
Factorable Equations ............................................................................................................. 96
1.6 Problem Solving: Interest, Mixture, Uniform Motion, and Constant Rate Jobs .................. 117
1.7 Solving Inequalities ............................................................................................................. 125
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Chapter Review ............................................................................................................................ 137
Chapter Test ................................................................................................................................. 147
Chapter Projects ........................................................................................................................... 151
Chapter 2 Graphs
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2.1 The Distance and Midpoint Formulas ................................................................................. 152
2.2 Intercepts; Symmetry; Graphing Key Equations ................................................................. 165
2.3 Lines .................................................................................................................................... 182
2.4 Circles .................................................................................................................................. 200
2.5 Variation .............................................................................................................................. 215
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Chapter Review ............................................................................................................................ 220
Chapter Test ................................................................................................................................. 226
Cumulative Review ...................................................................................................................... 228
Chapter Projects ........................................................................................................................... 230
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Chapter 3 Functions and Their Graphs
3.1 Functions ............................................................................................................................. 231
3.2 The Graph of a Function ...................................................................................................... 249
3.3 Properties of Functions ........................................................................................................ 258
3.4 Library of Functions; Piecewise-defined Functions ............................................................ 275
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3.5 Graphing Techniques: Transformations .............................................................................. 287
3.6 Mathematical Models: Building Functions.......................................................................... 305
Chapter Review ............................................................................................................................ 313
Chapter Test ................................................................................................................................. 320
Cumulative Review ...................................................................................................................... 323
Chapter Projects ........................................................................................................................... 327
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