for Absolute Value Extraneous Roots Practice Questions Answers and Explanations Whaddya Know? Chapter 18 Quiz Answers to Chapter 18 Quiz Chapter 19: Getting Even with Inequalities Defining the Inequality Notation Using the Rules to Work on Inequality Statements Rewriting Inequalities Using Interval Notation Solving Linear Inequalities Solving Quadratic Inequalities Dealing with Polynomial and Rational Inequalities Solving Absolute-Value Inequalities Solving Complex Inequalities Practice Questions Answers and Explanations Whaddya Know? Chapter 19 Quiz Answers to Chapter 19 Quiz
11 Book 7: Evaluating Formulas and Story Problems Chapter 20: Facing Up to Formulas Working with Formulas Measuring Up Deciphering Perimeter, Area, and Volume Getting Interested in Using Percent Working out the Combinations and Permutations Practice Questions Answers and Explanations Whaddya Know? Chapter 20 Quiz Answers to Chapter 20 Quiz Chapter 21: Making Formulas Work in Basic Story Problems Setting Up to Solve Story Problems Applying the Pythagorean Theorem Using Geometry to Solve Story Problems Working around Perimeter, Area, and Volume Going ’Round in Circles Putting Distance, Rate, and Time in a Formula Counting on Interest and Percent Practice Questions Answers and Explanations Whaddya Know? Chapter 21 Quiz Answers to Chapter 21 Quiz Chapter 22: Relating Values in Story Problems Tackling Age Problems Tackling Consecutive Integer Problems Working Together on Work Problems Throwing an Object into the Air Practice Questions Answers and Explanations Whaddya Know? Chapter 22 Quiz Answers to Chapter 22 Quiz Chapter 23: Measuring Up with Quality and Quantity Story Problems Achieving the Right Blend with Mixture Problems Concocting the Correct Solution 100% of the Time Dealing with Money Problems Practice Questions Answers and Explanations Whaddya Know? Chapter 23 Quiz Answers to Chapter 23 Quiz
12 Book 8: Getting a Grip on Graphing Chapter 24: Getting a Handle on Graphing Thickening the Plot with Points Graphing Lines Computing Slopes of Lines Writing Equations of Lines Picking on Parallel and Perpendicular Lines Finding Distances between Points Finding Midpoints of Segments Practice Questions Answers and Explanations Whaddya Know? Chapter 24 Quiz Answers to Chapter 24 Quiz Chapter 25: Extending the Graphing Horizon Finding the Intersections of Lines Graphing Parabolas and Circles Curling Up with Parabolas Plotting and Plugging in Polynomial Graphs Investigating Graphs of Inequality Functions Taking on Absolute-Value Function Graphs Graphing with Transformations Practice Questions Answers and Explanations Whaddya Know? Chapter