1. Section 8.3: Using Special Factors to Solve Equations

2. Objective:
By following instructions, students will be able to:
Use special products to aid in solving quadratic equations by factoring.

3. explain 1A
Factor perfect square trinomials.

4. explain 1B
Factor perfect square trinomials.

5. Your-Turn #1
Factor.
a) b)

6. Difference of Squares

7. explain 2A
Factor each difference of squares.

8. explain 2B
Factor each difference of squares.

9. Your-Turn #2
Factor.
a) b)

10. explain 3A
Solve.

11. explain 3B
Solve.

12. Your-Turn #3
Factor.
a) b)

13. explain 4
As a satellite falls from outer space on Mars, its distance in miles from the planet is given by the formula , where t is the number of hours it has fallen. Find when the satellite will be 200 miles away from Mars.

14. Revisit Objective:
Did we…
Use special products to aid in solving quadratic equations by factoring?

15. HW:
Sec 8.3 pg 256 #s 1-20, 25, 26