1. Mark Dugopolski Elementary Algebra Edition 3 Chapter 9 Quadratic Equations and Quadratic Functions Copyright © 2000 by the McGraw-Hill Companies, Inc.

2. Quadratic Equation 9-1Page 454

3. Strategy for Solving Quadratic Equations by Factoring 9-2Page 455

4. Finding the Last Term 9-3Page 460

5. The Strategy for Solving a Quadratic Equation by Completing the Square 9-4Page 461

6. Figure 9.1 9-5Page 463 (Figure 9.1)

7. The Quadratic Formula 9-6Page 467

8. Table 9.1 9-7Page 469 (Table 9.1)

9. Solving the Quadratic Equation ax + bx + c = 0 9-8Page 470 2

10. Complex Numbers 9-9Page 477

11. Figure 9.3 9-10Page 477 (Figure 9.3)

12. Addition and Subtraction of Complex Numbers 9-11Page 478

13. Multiplication of Complex Numbers 9-12Page 478

14. Complex Conjugates 9-13Page 479

15. Dividing by a Complex Number 9-14Page 480

16. Square Root of a Negative Number 9-15Page 481

17. Complex Numbers 9-16Page 482

18. Quadratic Function 9-17Page 485