SOLUTION: Determine the quadratic function f with a vertex of (2,-7) and the other given point is (3,0)
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Question 928705
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Determine the quadratic function f with a vertex of (2,-7) and the other given point is (3,0)
Answer by
ewatrrr(24785)
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f(x) = a(x-2)^2 - 7
0 = a(3-2)^2 - 7
7 = a
f(x) = 7(x-2)^2 - 7
.......
completing the Square
P(x)=-x^2+7x-13
P(x) = -(x-7/2)^2 + 49/4 - 52/4
P(x) = -(x-7/2)^2 - 3/4