Find the rule of a quadratic function whose graph has the given vertex and passes through the given point.
-vertex $(4,4)$; point $(2,8)$
A) $P(x)=2 x^{2}-8 x-20$
B) $P(x)=x^{2}-4 x+4$
C) $P(x)=x^{2}-8 x+20$
D) $P(x)=-x^{2}-8 x+4$

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The Answer of Find the rule of a quadratic function whose graph has the given vertex and passes through the given point.
-vertex $(4,4)$; point $(2,8)$
A) $P(x)=2 x^{2}-8 x-20$
B) $P(x)=x^{2}-4 x+4$
C) $P(x)=x^{2}-8 x+20$
D) $P(x)=-x^{2}-8 x+4$

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