Determine the quadratic function f whose graph is given. The vertex is (-3,-13) and the y intercept is -4
I do not have a description I’m just stuck and i need help. I really need help like really need help
1 Expert Answer
f(x) = a(x - h)2 + k
h = -3
k = -13
f(x) = a(x + 3)2 - 13
Use the y-intercept (0,-4) to find a.
-4 = a(0 + 3)2 - 13
-4 = 9a - 13
a = 1
f(x) = (x + 3)2 - 13
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