## College AlgebraWith an emphasis on problem-solving and packed with engaging, student-friendly exercise sets and examples, the Third Edition of Zill and Dewar's College Algebra is the perfect text for the traditional college algebra course. Zill's renowned pedagogy and accessible, straightforward writing style urges students to delve into the content and experience the mathematics first hand through numerous problem sets. These problem sets give students the opportunity to test their comprehension, challenge their understanding, and apply their knowledge to real-world situations. A robust collection of student and instructor ancillaries include: WebAssign access, PowerPoint Lecture Slides, Test Bank, Student Resource Manual and more. |

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### Contents

1 Review of Basic Algebra | 1 |

2 Equations and Inequalities | 65 |

3 Rectangular Coordinate System and Graphs | 123 |

4 Functions and Graphs | 155 |

5 Polynomial and Rational Functions | 225 |

6 Exponential and Logarithmic Functions | 279 |

7 Topics in Analytic Geometry | 319 |

### Common terms and phrases

absolute value algebraic Answers to selected augmented matrix ax2 1 bx called circle complex numbers constant coordinate defined DEFINITION denominator determine directrix distance domain ellipse EXAMPLE Exercises Answers exponential factor Find an equation foci focus fraction function f geometric sequence given function Graph for Problem graph of f horizontal asymptote hyperbola intersection inverse length line segment linear equations logarithmic mathematical matrix midpoint multiplicative inverse multiplicity negative nonnegative number line obtain odd function odd-numbered problems begin one-to-one parabola polynomial function positive integer quadratic formula quadratic function quotient rational function rational number rational zeros real numbers real zeros rectangle row echelon form scientific notation Section selected odd-numbered problems shifted shown in FIGURE simplify sketch the graph slant asymptote solution set standard form symbol symmetry synthetic division Theorem triangle variables vertex vertical asymptote write x-axis y-axis y-intercept