Essentials of college algebra / Richard N. Aufmann, Richard D. Nation.

include index

Pt. Preliminary concepts -- The real number system -- Integer and rational number exponents -- Polynomials --Rational expressions -- complex numbers Pt.1 Linear and absolute value equations -- Formulas and appications -- Quadratic equations -- Other types of equations -- Inequalities Pt.2 Functions and graphs -- A two -dimensional coordinate system and graphs -- Introduction to functions -- Linear functions -- Quadratic functions -- Properties of graphs -- The algebra of functions Pt.3 Polynomial and rational fynctions -- the remainder theorem and factor theorem -- Polynomial functions of higher degree -- Zeros of polynomial fynctions -- The fundamental theorem of algebra -- Graphs of rational functions and their applications -- Pt.4 Exponential and logarithmic functions -- Inverse functions -- Exponential fynctions and their applications -- Logarithmic functions and their applications --Logarithms and logarithmic scales -- Exponential and logarithmic equations -- Exponential growth and decay -- Pt.5 Systems of linear equations in two variables -- Systems of linear equations in more than two variables -- Inequalities in two variables and systems of inequalities -- Solutions to the exercises -- Index.