1. Quadratic Equations – The Sequel www.themegallery.com 33 22 11 Quadratic Formula Discriminants Using the Quadratic Formula

2. Quadratic Formula 2 www.themegallery.com

3. Discriminants of a Quadratic Equation  The number b 2 -4ac under the radical sign is called the discriminant 3 www.themegallery.com

4. Using the Quadratic Formula  Solve 9x 2 – 30x + 25 = 0 4 www.themegallery.com

5. Using the Quadratic Equation…Again SSolve 2x(3 – x) = 3 BBeware! Do NOT try to solve this using the zero factor rule!!! 5

6. Using the Quadratic Formula on Word Problems 6 www.themegallery.com

7. Using the Quadratic Formula on Word Problems (Cont.) 7 www.themegallery.com

8. Practice Problems  Page 91 Problems 31-44, 56-58, 62 8 www.themegallery.com