Aubrianna E.
asked • 02/23/24or A parabola opening up or down has vertex (0, – 2) and passes through (12, – 11). Write its equation in vertex form. Simplify any fraction
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1 Expert Answer
Vertex form is y = A(x - h)2 + k, where (h, k) is the vertex.
So, we have y = A(x-0)2 - 2
Since (12, -11) is on the curve, -11 = 144A - 2
-9 = 144A So, A = -9/144 = -1/16.
Equation: y = (-1/16)x2 - 2
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Brenda D.
02/23/24