Fy 8
6
Finish the steps below to write a quadratic function for
the parabola shown.
1.
Use the vertex form, f(x) = a(x - h)2 + k, and
substitute in the values for h and k.
f(x) = Q(x - 5)2 + 3
2. Use another point and substitute in values
for x and f(x). Solve for a.
5 = a(6-5)2 + 3
3. Write the function, using the values for h, k,
and a
(65)
N
Vertex:
(5,3)
X
2
4
6
8
8
The function is f(x) =
(x