Find the Center-Radius Form of the Equation of the Circle $( 5,7 )$

Multiple Choice

Find the center-radius form of the equation of the circle.
-center $( 5,7 )$ , radius $\sqrt { 15 }$

A) $( x - 7 ) ^ { 2 } + ( y - 5 ) ^ { 2 } = 225$
B) $( x + 5 ) ^ { 2 } + ( y + 7 ) ^ { 2 } = 15$
C) $( x - 5 ) ^ { 2 } + ( y - 7 ) ^ { 2 } = 15$
D) $( x + 7 ) ^ { 2 } + ( y + 5 ) ^ { 2 } = 225$