Find the Center-Radius Form of the Equation of the Circle $x ^ { 2 } + ( y - 2 ) ^ { 2 } = 16$

Multiple Choice

Find the center-radius form of the equation of the circle.
-center (0, 2) , radius 4

A) $x ^ { 2 } + ( y - 2 ) ^ { 2 } = 16$
B) $( x - 2 ) ^ { 2 } + y ^ { 2 } = 16$
C) $x ^ { 2 } + ( y + 2 ) ^ { 2 } = 4$
D) $( x + 2 ) ^ { 2 } + y ^ { 2 } = 16$