1. Section 9.6 The Quadratic Formula

2. Quadratic Formula
There once a negative boy who was all mixed up so he went to this radical party. Because the boy was square, he lost out on 4 awesome chicks so he cried his way home when it was all over at 2 AM.

3. Quadratic Formula IF
THEN

4. #1 Solve using the quadratic formula.

5. #2 Solve using the quadratic formula

6. #3 Solve using the quadratic formula

7. #4 Solve using the quadratic formula

8. #5 Solve using the quadratic formula.

9. #6 Solve using the quadratic formula.

10. #7 Solve using the quadratic formula

11. #8 Solve using the quadratic formula

12. #9 Solve using the quadratic formula

13. Solve by using the Quadratic Formula.
First, write the equation in the form and identify a, b, and c.
Example 5-1a

14. Then, substitute these values into the Quadratic Formula.
Replace a with 1, b with –8, and c with –33.
Simplify.
Example 5-1a

15. Simplify.
Write as two equations. or
Simplify.
Answer: The solutions are 11 and –3.

16. Solve by using the Quadratic Formula.
Answer: 2, –15
Example 5-1b

17. Solve by using the Quadratic Formula.
Identify a, b, and c. Then, substitute these values into the Quadratic Formula.
Quadratic Formula
Replace a with 1, b with –34, and c with 289.
Simplify.