CONTENTS   A Brief Guide to Getting the Most from This Book Preface To The Student About the Author   Chapter 1: The Real Number System 1.1 Fractions 1.2 The Real Numbers 1.3 Ordered Pairs and Graphs 1.4 Basic Rules of Algebra Mid-Chapter Check Point 1.5 Addition of Real Numbers 1.6 Subtraction of Real Numbers 1.7 Multiplication and Division of Real Numbers 1.8 Exponents, Order of Operations, and Mathematical Models Chapter 1 Group Project Summary Review Exercises Chapter 1 Test Chapter 2: Linear Equations and Inequalities in One Variable 2.1 The Addition Property of Equality 2.2 The Multiplication Property of Equality 2.3 Solving Linear Equations 2.4 Formulas and Percents Mid-Chapter Check Point 2.5 An Introduction to Problem Solving 2.6 Problem Solving in Geometry 2.7 Solving Linear Inequalities Chapter 2 Group Project Summary Cumulative Review Exercises (Chapters 1- 2) Chapter 2 Test Chapter3: Linear Equations in Two Variables 3.1 Graphing Equations in Two Variables 3.2 Graphing Linear Equations Using Intercepts 3.3 Slope                                                                        3.4 The Slope-Intercept Form of the Equations of a Line Mid-Chapter Check Point 3.5 The Point-Slope Form of the Equation of a Line Chapter 3 Group Project Summary Cumulative Review Exercises (Chapters 1- 3) Chapter 3 Test Chapter4: Systems of Linear Equations 4.1 Solving Systems of Linear Equations by Graphing 4.2 Solving Systems of Linear Equations by the Substitu