Section Opening Questions are thought-provoking questions which are revisited again within the section. Chapter R, Algebra Reference begins the text allowing students to brush up on their algebra skills. InterAct MathXL is available with this book for the first time. MathXL is a Web-based testing and tutorial system designed to help students improve their mathematical skills. Students take a test, and MathXL provides an individualized study plan.
Instructors have access to complete test results tracking.
MathXL also allows instructors to upload custom TestGen-EQ tests. Table Of Contents R. Algebra Reference. R.3 Rational Expressions. 1.1 Slopes and Equations of Lines. 1.2 Linear Functions and Applications.