1. Solving Quadratic Equations Leslie K Koller Specialized Methods in Secondary Math October 05, 2012

2. Why Solving Quadratic Equations?

3. Quadratic Equations model so much of every day life experiences…

4. Why Solving Quadratic Equations? Quadratic Equations model so much of every day life experiences… * Design of a bridge, satellite receiver, etc

5. Parabola used in Bridge Design

6. Why Solving Quadratic Equations? Quadratic Equations model so much of every day life experiences… * Design of a bridge, satellite receiver, etc * Maximum and minimum area problems

7. Maximum and Minimum Areas using Quadratic Equations

8. Why Solving Quadratic Equations? Quadratic Equations model so much of every day life experiences… * Design of a bridge, satellite receiver, etc * Maximum and minimum area problems * Business decisions (profit and loss, break even point, buy-sell decisions)

10. Why Solving Quadratic Equations?

11. There are many different methods for solving Quadratic Equations

12. Why Solving Quadratic Equations? There are many different methods for solving Quadratic Equations * Graphing

14. Why Solving Quadratic Equations? There are many different methods for solving Quadratic Equations * Graphing * Trial and Error

15. Why Solving Quadratic Equations? There are many different methods for solving Quadratic Equations * Graphing * Trial and Error * Factoring

17. Why Solving Quadratic Equations? There are many different methods for solving Quadratic Equations * Graphing * Trial and Error * Factoring * Complete the Square

19. Why Solving Quadratic Equations? There are many different methods for solving Quadratic Equations * Graphing * Trial and Error * Factoring * Complete the Square * Quadratic Formula

21. Why Solving Quadratic Equations?

22. Students do not understand the concepts involved unless they have a strong understanding of why those concepts work