Lial/Hornsby/McGinnis’s Introductory and Intermediate Algebra, 3e gives students the necessary tools to succeed in developmental math courses and prepares them for future math courses and the rest of their lives. The Lial developmental team creates a pattern for success by emphasizing problem solving skills, vocabulary comprehension, real-world applications, and strong exercise sets. In keeping with its proven track record, this revision includes an effective new design, many new exercises and applications, and increased Summary Exercises to enhance comprehension and challenge students' knowledge of the subject matter.

Table of Contents:
List of Applications List of Focus on Real-Data Applications     Preface     Feature Walk-Through    An Introduction to Scientific Calculators To the Student Diagnostic Pretest   Chapter R    Prealgebra Review R.1  Fractions R.2  Decimals and Percents   Chapter 1    The Real Number System 1.1  Exponents, Order of Operations, and Inequality 1.2  Variables, Expressions, and Equations 1.3  Real Numbers and the Number Line 1.4  Adding Real Numbers 1.5  Subtracting Real Numbers   1.6  Multiplying and Dividing Real Numbers Summary Exercises on Operations with Real Numbers 1.7  Properties of Real Numbers 1.8  Simplifying Expressions Summary                 *               Review Exercises   *               Test   Chapter 2    Linear Equations, Inequalities, and Applications   2.1  The Addition Property of Equality     2.2  The Multiplication Property of Equality 2.3  More on Solving Linear Equations Summary Exercises on Solving Linear Equations 2.4   An Introduction to Applications of Linear Equations 2.5   Formulas and Applications from Geometry 2.6   Ratio, Proportion, and Percent Summary Exercises on Solving Applied Problems 2.7   Solving Linear Inequalities Summary                 *               Review Exercises   *               Test         *               Cumulative Review Exercises   Chapter 3    Graphs of Linear Equations and Inequalities; Functions   3.1   Reading Graphs; Linear Equations in Two Variables 3.2   Graphing Linear Equations in Two Variables 3.3   Slope of a Line 3.4   Equations of Lines Summary Exercises on Graphing Linear Equations 3.5   Graphing Linear Inequalities in Two Variables 3.6   Introduction to Functions Summary                 *               Review Exercises   *               Test         *               Cumulative Review Exercises   Chapter 4    Systems of Equations and Inequalities 4.1  Solving Systems of Linear Equations by Graphing 4.2  Solving Systems of Linear Equations by Substitution 4.3  Solving Systems of Linear Equations by Elimination Summary Exercises on Solving Systems of Linear Equations 4.4  Applications of Linear Systems 4.5  Solving Systems of Linear Inequalities Summary                 *               Review Exercises   *               Test         *               Cumulative Review Exercises   Chapter 5    Exponents and Polynomials 5.1  Adding and Subtracting Polynomials 5.2  The Product Rule and Power Rules for Exponents 5.3  Multiplying Polynomials 5.4  Special Products 5.5  Integer Exponents and the Quotient Rule Summary Exercises on the Rules for Exponents 5.6  Dividing a Polynomial by a Monomial 5.7  The Quotient of Two Polynomials 5.8  An Application of Exponents: Scientific Notation Summary                 *               Review Exercises   *               Test         *               Cumulative Review Exercises   Chapter 6    Factoring and Applications 6.1  Factors; The Greatest Common Factor 6.2  Factoring Trinomials 6.3  Factoring Trinomials by Grouping 6.4  Factoring Trinomials Using FOIL 6.5  Special Factoring Techniques Summary Exercises on Factoring 6.6  Solving Quadratic Equations by Factoring   6.7  Applications of Quadratic Equations Summary                 *               Review Exercises   *               Test         *               Cumulative Review Exercises   Chapter 7    Rational Expressions and Functions 7.1  Rational Expressions and Functions; Multiplying and Dividing 7.2  Adding and Subtracting Rational Expressions 7.3  Complex Fractions 7.4  Equations with Rational Expressions and Graphs Summary Exercises on Rational Expressions and Equations 7.5  Applications of Rational Expressions 7.6   Variation     [Interm 4.6] Summary     *     Review Exercises     *     Test     *     Cumulative Review Exercises   Chapter 8    Equations, Inequalities, and Systems Revisited 8.1  Review of Solving Linear Equations and Inequalities 8.2  Set Operations and Compound Inequalities 8.3  Absolute Value Equations and Inequalities Summary Exercises on Solving Linear and Absolute Value Equations and Inequalities 8.4   Review of Systems of Linear Equations in Two Variables 8.5   Systems of Linear Equations in Three Variables; Applications 8.6   Solving Systems of Linear Equations by Matrix Methods   Summary     *     Review Exercises     *     Test     *     Cumulative Review Exercises   Chapter 9    Roots, Radicals, and Root Functions 9.1  Rational Expressions and Graphs 9.2  Rational Exponents 9.3  Simplifying Radical Expressions 9.4  Adding and Subtracting Radical Expressions 9.5  Multiplying and Dividing Radical Expressions Summary Exercises on Operations with Radicals and Rational Exponents 9.6  Solving Equations with Radical Expressions 9.7  Complex Numbers Summary     *     Review Exercises     *     Test     *     Cumulative Review Exercises   Chapter 10    Quadratic Equations, Inequalities, and Functions 10.1  Solving Quadratic Equations by the Square Root Property 10.2  Solving Quadratic Equations by Completing the Square 10.3  Solving Quadratic Equations by the Quadratic Formula 10.4  Equations Quadratic in Form Summary Exercises on Solving Quadratic Equations 10.5  Formulas and Further Applications 10.6  Graphs of Quadratic Functions 10.7  More About Parabolas; Applications 10.8  Quadratic and Rational Inequalities Summary     *     Review Exercises     *     Test     *     Cumulative Review Exercises   Chapter 11    Exponential and Logarithmic Functions 11.1  Inverse Functions 11.2  Exponential Functions 11.3  Logarithmic Functions 11.4  Properties of Logarithms 11.5  Common and Natural Logarithms 11.6  Exponential and Logarithmic Equations; Further Applications Summary     *     Review Exercises     *     Test     *     Cumulative Review Exercises Chapter 12    Nonlinear Functions, Conic Sections, and Nonlinear Systems 12.1  Additional Graphs of Functions; Operations and Composition 12.2  The Circle and the Ellipse 12.3  The Hyperbola, and Other Functions Defined by Radicals 12.4  Nonlinear Systems of Equations 12.5  Second-Degree Inequalities; Systems of Inequalities Summary     *      Review Exercises     *     Test     *     Cumulative Review Exercises   Appendix A  Transition from Introductory to Intermediate Algebra (Review of Exponents, Polynomials, and Factoring)   Appendix B  Strategies for Problem Solving   Appendix C  Sets   Appendix D  Mean, Median, and Mode   Appendix E  Determinants and Cramer’s Rule   Appendix F  Synthetic Division     Answers to Selected Exercises Index Videotape Index