1. Quadratics 5 Discriminant, Problem Solving, Intersecting Graphs

2. The Discriminant (∆)

3. Example 1 (Ex1E6)

5. Example 2

7. Problems Page 35 Exercise 1E6 Questions 1, 2, 3

8. Problem Solving with Quadratics Read question carefully. Draw a diagram if appropriate to the question. Use the information to write an equation. Solve the equation Examine the solutions to see if they are appropriate to the problem. Give your answer in a sentance.

9. Example 3

11. Example 4

13. Example 5

15. Problems Page 36 Exercise 1F Questions 1, 2, 3, 4, 5, 6, 8, 9.

16. Intersecting Graphs

17. Example 6

19. Problems Page 40 Exercise 1G Questions 1, 2(a) (c) (e) (g).