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26 February, 15:19

Find the equation of the quadratic function with zeros - 4 and 4 and vertex at (0, - 16). y = x2 - 16 y = - x2 - 16 y = x2 16 y = - x2 16

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  1. 26 February, 15:42
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    Hello,

    Answer D

    y=k (x+4) (x-4) = k (x²-16)

    -16=k*4 * (-4) = = >k=-1

    y = - (x²-16) = 16-x²
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