1. Chapter 10 Section 2

2. Review Quadratic Function y = ax 2 + bx + cy = 2x 2 + 3x + 1 Symmetry

3. Axis of Symmetry Quadratic Formula: ax 2 + bx + c What is axis of symmetry? Formula for x value Of symmetry axis:-b / 2a This is also the x-coordinate of the vertex!

4. Find the Axis of Symmetry (use -b / 2a ) y = 2x 2 + 2x y = -3x 2 + 6x + 5

5. Find the Coordinates of the Vertex (need to find x and y) y = 2x 2 + 4x y = 3x 2 – 9x + 5

6. Match the Graph A.y = x 2 – 6x

7. Graphing y = ax 2 + bx + c 1.Find the axis of symmetry and coordinates of the vertex 2.Find 2 more points (you can use y intercept) 3.Graph and reflect points

8. Practice y = -3x 2 + 6x + 5 1.Find the axis of symmetry and coord of the vertex 2.Find 2 more points (you can use y intercept) 3.Graph and reflect points

9. Practice y = x 2 – 2x – 3

10. Practice f (x) = x 2 – 4x + 3

11. Assignment P. 520 #1-16 SimSo 44