1. Skills Check Solve by Factoring and Square Roots

2. Warm up – Solve by Completing the Square

3. Questions over HW?

4. The Discriminant

5. The Discriminant tells how many & what type of solutions the quadratic has.

6. Put the quadratic in standard form first!

7.  If the discriminant is POSITIVE, then you will have 2 real roots.
 If the discriminant is ZERO, then you will have 1 real root.
 If the discriminant is NEGATIVE, then you will have 2 imaginary roots.

8. Determine the number & types of roots. Example: 1
2 Imaginary Roots

9. Determine the number & type of roots. Example: 2
1 Real Root

10. Determine the number & type of roots. Example: 3
2 Real Roots

11. Questions??

12. Simplifying for the Quadratic Formula

13. Before we solve using the Quadratic Formula, we need to practice simplifying radicals.

14. Question #1 Simplify.
Perfect Square!!!

15. Question #2 Simplify.

16. Question #3 Simplify.

17. Question #4 Simplify.

18. Homework