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26 August, 17:13

If the equation of a parabola is y = 7 (x-4) ^2+v and its vertex is (4,-2), what is the value of v in the equation

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  1. 26 August, 18:41
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    The vertex form of a quadratic function: y = a (x - h) ² + k

    vertex (h; k)

    We have: y = 7 (x - 4) ² + v

    vertex: (4; - 2)

    therefore: v = - 2
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