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

Independent, Inconsistent, and Dependent 7-1Page 371

Figure Page 373

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

Inconsistent and Dependent Systems 7-4Page 379

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

Linear Inequality in Two Variables 7-6Page 390

Figure Page 391 (Figure 7.6)

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

Figure Page 394 (Figure 7.14)

Figure Page 399 (Figure 7.15)

Figure Page 399 (Figure 7.16)

Figure Page 400 (Figure 7.17)

Figure Page 400 (Figure 7.18)

Figure Page 400 (Figure 7.19