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AP® Calculus AB-BC

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Equation Of A Normal Line

APCALC-ZVJBGQ

Find the equation of the normal line to the equation ${ x }^{ 2 }+{ y }^{ 2 }=16$ at the point $(-2, 2)$.

A

$y=x+4$

B

$y=-x-4$

C

$y=-x$

D

$y=x$