## College AlgebraThis book presents the traditional content of Precalculus in a manner that answers the age-old question of “When will I ever use this?” Highlighting truly relevant applications, this book presents the material in an easy to teach from/easy to learn from approach. KEY TOPICS Chapter topics include equations, inequalities, and mathematical models; functions and graphs; polynomial and rational functions; exponential and logarithmic functions; systems of equations and inequalities; matrices and determinants; conic sections; and sequences, induction, and probability. For engineers of every kind, manufacturing personnel, technologists, technicians, and technical marketing professionals. |

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### Contents

Chapter | 2 |

Real Numbers and Algebraic Expressions | 9 |

Radicals and Rational Exponents | 24 |

Copyright | |

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### Common terms and phrases

absolute value algebraic expression arithmetic sequence augmented matrix average axis binomial column common factor complex numbers cost Cramer's rule Critical Thinking Exercises Describe determine directrix Divide both sides domain ellipse Evaluate EXAMPLE EXERCISE SET exponential exponents feet foci focus formula geometric sequence given equation graph of f(x graphing utility horizontal asymptote hyperbola inequality integers intersection inverse function linear equations matrix million multiplicative inverse Multiply negative number line obtain ordered pairs parabola partial fraction decomposition percentage perfect square polynomial function population problems quadratic equation quadratic function quotient rule rational expression rational function rational zeros real numbers represent scientific notation shown in Figure shows Simplify slope solution set solve Exercises square root standard form Step Study Tip Substitute Subtract synthetic division system of linear Theorem trinomial units variables vertex vertical asymptote viewing rectangle x-axis y-intercept