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30-06-2016
Mathematics

Answered

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

Verified Answer :

30-06-2016

Hello,

Answer D

y=k(x+4)(x-4)=k(x²-16)
-16=k4(-4)==>k=-1

y=-(x²-16)=16-x²

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