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 systems of equations, consider the everyday uses of graphs and functions. Refer back to page 227, the first page of Chapter 3 in your Intermediate Algebra textbook and review the homemade floorwax mixture application.

Here's your chance to explore the World Wide Web and practice your new skills at the same time. Explore some related do-it-yourself household cleaning Web sites. Does Heloise have any good “recipes” for household cleaners?

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 3 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!