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

Once you've practiced and reviewed quadratic equations and functions, consider their everyday uses. Refer back to page 671, the first page of Chapter 11 in your Introductory and Intermediate Algebra textbook and review the river depth application.

Here's your chance to explore the World Wide Web and practice your new skills at the same time. What is hydrology? Why would a hydrologist measure the depth of a river?

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 11 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!