rewrite y = x2 – 6x + 16 in vertex form.
state whether the vertex is a maximum or minimum and give its coordinates.
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Dy/DX=2x-6
then Dy/DX=0 2x-6=0 X=3 then
d2y/dx^2= 2 then the points are minimum and coordinate (3,7) ok
then Dy/DX=0 2x-6=0 X=3 then
d2y/dx^2= 2 then the points are minimum and coordinate (3,7) ok
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