An Equation of the Tangent Plane to the Surface $16 z = 4 x ^ { 2 } + y ^ { 2 }$

Multiple Choice

An equation of the tangent plane to the surface $16 z = 4 x ^ { 2 } + y ^ { 2 }$ at (2, 4, 2) is

A) $- 2 x + y - 2 z = 4$
B) $2 x - y + 2 z = 4$
C) $2 x + y + 2 z = 4$
D) $2 x + y - 2 z = 4$
E) $2 x - y - 2 z = 4$