1. I will write a quadratic function in vertex form.

3. Example A. Write y = x 2 – 2x + 4 in vertex form.
Write Functions in Vertex Form
A. Write y = x 2 – 2x + 4 in vertex form.

4. Example 1
B. Write y = –3x 2 – 18x + 10 in vertex form.

5. Example 1 B. Write y = –3x 2 – 18x + 4 in vertex form.
A. y = –3(x + 3)2 – 23
B. y = –3(x + 3)2 + 31
C. y = –3(x – 3)2 – 23
D. y = –3(x – 3)2 + 31

6. Example
Write an equation in vertex form for the given parabola.

7. Example 2 Which is an equation of the function shown in the graph? A.B. C. D.

8. Assignment
Pg #11-15 #23-27 #36-38 #41-43