Extra Practice exercises are downloadable worksheets of additional practice exercises. Print out these worksheets, work through the exercises, then check your work against the answer page.

Once you've practiced and reviewed the solving of linear equations and inequalities, consider their everyday uses. Refer back to page 545, the first page of Chapter 9 in your Introductory and Intermediate Algebra textbook and review the 200-m dash world record application.

Here's your chance to explore the World Wide Web and practice your new skills at the same time. Explore some related Web sites to find learn more about the real world significance of linear equations and Olympic Track and Field world records.

After you've practiced and after you've explored, don't forget about your upcoming Chapter Test. Prepare for your exam by working through our Chapter 9 Review, and then check your answers. These free downloadable files are accessible by selecting the Chapter Review button at the top of this page.

Good luck!