SOLUTIONS
College Algebra: Enhanced with
Graphing Utilities
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MANUAL
TIM BRITT
Jackson State Community College
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COLLEGE ALGEBRA
E NHANCED WITH G RAPHING U TILITIES
EIGHTH EDITION
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Michael Sullivan
Chicago State University
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Michael Sullivan III
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Joliet Junior College
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1.1 Graphing Utilities; Introduction to Graphing Equations.........................................................50
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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
1.5 Radical Equations; Equations Quadratic in Form; Absolute Value Equations;
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Factorable Equations ...............................................................................................................96
1.6 Problem Solving: Interest, Mixture, Uniform Motion, Constant Rate Job Applications......117
1.7 Solving Inequalities...............................................................................................................125
Chapter Review .............................................................................................................................137
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Chapter Test...................................................................................................................................147
Chapter Projects .............................................................................................................................151
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Chapter 2 Graphs
2.1 The Distance and Midpoint Formulas ...................................................................................152
2.2 Intercepts; Symmetry; Graphing Key Equations ..................................................................165
2.3 Lines ......................................................................................................................................182
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2.4 Circles ...................................................................................................................................200
2.5 Variation................................................................................................................................215
Chapter Review .............................................................................................................................220
Chapter Test ...................................................................................................................................226
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