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 the first page of Chapter 8 in your Prealgebra textbook and review the recycled paper application.

Here's your chance to explore the World Wide Web and practice your new skills at the same time. Explore some recycling Web sitesto learn ways to recycle consumer products, or find out what recycling efforts government agencies are making.

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 8 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!