PETER H. SELBY is the author of two other Wiley Self-TeachingGuides: Practical Algebra and Geometry and Trigonometry forCalculus, both revised by STEVE SLAVIN, PhD, who is AssociateProfessor of Economics at Union County College, Cranford, NewJersey. Dr. Slavin is also the author of All the Math You'll EverNeed: A Self-Teaching Guide and Economics: A Self-Teaching Guide,both available from John Wiley & Sons, Inc.

• Pretest 1Unit One Some Basic Concepts 5 Unit Two The Number System 24 Unit Three Monomials and Polynomials 46 Unit Four Special Products and Factoring 64 Unit Five Fractions 81 Unit Six Exponents, Roots, and Radicals 104 Unit Seven Linear and Fractional Equations and Formulas 123 Unit Eight Functions and Graphs 139 Unit Nine Quadratic Equations 156 Unit Ten Inequalities 172 Unit Eleven Ratio, Proportion, and Variation 184 Unit Twelve Solving Everyday Problems 200 Appendix: Glossary of Terms 224 Index 230