Asked by Helen
what is the equation, in standard form, of a parabola that contains the following points?
(-2-20). (0-4), (4-20)
(-2-20). (0-4), (4-20)
Answers
Answered by
Steve
If your bizarre notation indicates the points (-2,-20),(0,-4),(4,-20), then
4a-2b+c = -20
c = -4
16a+4b+c = -20
(a,b,c) = (-2,4,-4)
y = -2x^2 + 4x - 4
4a-2b+c = -20
c = -4
16a+4b+c = -20
(a,b,c) = (-2,4,-4)
y = -2x^2 + 4x - 4
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