Finish the steps below to write a quadratic function for the parabola shown.
8
6
(6,5)
1 Use the vertex form, flx) = a(x - )2 + k, and
substitute in the values for h and k.
Sx) = 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
4
2
Vertex:
(53)
X
The function is f(x) =
12+
2
4
6
8
Intro
✓ Done
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O 08