1. Warmup  1.) 4x 2 = 202.) 3x 2 + 2 = 29  3.)4.)  5.)6.)

2. After Quiz:  1. XYWork

3. CHAPTER 9 SECTION 4 Graphing Quadratic Functions

4. Solving by Graphing  The solution is where the graph crosses the x- axis  x- intercepts- where y = 0  Steps:  Set the equation = 0  Graph the function  Find the x-intercepts  Can have 0, 1, or 2 answers  Pg 529 # 18-20 together

5. Example  1. XYWork

6. Example:  2. XYWork

7. Example:  3. XYWork

8. Example  4.) XYWork

9. Example  5.) XYWork

10. Example  6.) XYWork

11. Homework  Page 530# 35-37  Review Packet