You can put this solution on YOUR website! Zeroes at 4 and –2; f(0)=4
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this means we have the product of
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(x-4) * (x+2) = x^2 -2x -8
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this is one of the possible quadratics, the general form would be
:
a(x^2 -2x -8)
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we are given the point (0,4), therefore
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a(0^2 -2(0) -8) = 4
:
-8a = 4
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a = -1/2
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-(1/2)(x^2 -2x -8) = (-x^2/2) +2x +4
:
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f(x) = -x^2/2 +2x +4
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