1. Mark Dugopolski Elementary Algebra Edition 3 Chapter 7 Systems of Linear Equations and Inequalities Copyright © 2000 by the McGraw-Hill Companies, Inc.

2. Independent, Inconsistent, and Dependent 7-1Page 371

3. Figure 7.5 7-2Page 373

4. Strategy for Solving a System by Substitution 7-3Page 378

5. Inconsistent and Dependent Systems 7-4Page 379

6. Strategy for Solving a System by Addition 7-5Page 386

7. Linear Inequality in Two Variables 7-6Page 390

8. Figure 7.6 7-7Page 391 (Figure 7.6)

9. Strategy for Graphing a Linear Inequality in Two Variables 7-8Page 391

10. Figure 7.14 7-9Page 394 (Figure 7.14)

11. Figure 7.15 7-10Page 399 (Figure 7.15)

12. Figure 7.16 7-11Page 399 (Figure 7.16)

13. Figure 7.17 7-12Page 400 (Figure 7.17)

14. Figure 7.18 7-13Page 400 (Figure 7.18)

15. Figure 7.19 7-14Page 400 (Figure 7.19