1. Section 4.4
Solve

2. California Standard:
21.0: Students graph quadratic functions and know that their roots are the x-intercepts

3. OBJECTIVE(S): By following instructions, students will be able to:
Use factoring to solve equations of the form

4. Example 1: Factor the expression. a) b)

5. U-TRY#1:
Factor the expression. If the expression cannot be factored, say so. c)
b) d) 5

6. Recall: DIFFERENCE OF SQUARES
Examples:

7. Example 2: Factor the expression. a) b) c)

8. U-TRY#2:
Factor the expression. c)
b) d) 8

9. Example 3: Factor. a) b) c) d)

10. U-TRY#3:
Factor the expression. c)
b) d) 10

11. Example 4: Solve. a) b)

12. HOMEWORK
Sec 4.4 WS