1. Vertex Form
Algebra 2

2. Vertex Form of a Parabola
Vertex (h,k)

3. Vertex Form of a Parabola
Horizontal Shift
Vertical Shift
Skinnier if… a>1
Wider if… 0<a<1
Opens Up if… a is positive / Opens Down if… a is negative

4. Example
Shift Right 2
Shift Up 7
skinny
Vertex (2,7)

5. Example
Shift Left 1
Shift Down 3
Opens Down
Wider
Vertex (-1,-3)

6. Example
Shift Right 17
No Up/Down
Shift
Opens Down
Vertex (17,0)

7. Example
Shift Left 9
Shift Up 14
No change
Vertex (-9,14)

8. Example Vertex (0,11) No Left/Right Shift Shift Up 11 Opens Down &
Skinnier

9. Example PARENT FUNCTION! Vertex (0,0) No Left/Right Shift
No Up/Down Shift
Opens Up
Vertex (0,0)