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17 June, 06:40

In which form is the following function written?

y+20=8 (x+7) ^2

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Answers (1)
  1. 17 June, 06:49
    0
    (a variation of) vertex form

    Step-by-step explanation:

    For vertical scale factor "a" and vertex (h, k), the vertex form of the equation for a parabola can be written as ...

    y = a (x - h) ^2 + k

    If k is subtracted from this equation, an alternate form is ...

    y - k = a (x - h) ^2

    This latter version of vertex form is the form your equation has, where ...

    a = 8 (h, k) = (-7, - 20)
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