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) = a(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.
The function is f(x) =
12+