Find the Center-Radius Form of the Equation of the Circle $( 4,0 )$

Multiple Choice

Find the center-radius form of the equation of the circle.
-center $( 4,0 )$ , radius $\sqrt { 7 }$

A) $( x - 4 ) ^ { 2 } + y ^ { 2 } = 7$
B) $( x - 4 ) ^ { 2 } + y ^ { 2 } = \sqrt { 7 }$
C) $( x + 4 ) ^ { 2 } + y ^ { 2 } = 7$
D) $x ^ { 2 } + ( y - 4 ) ^ { 2 } = 49$