Find the Center-Radius Form of the Circle Described or Graphed $( 5,7 )$

Multiple Choice

Find the center-radius form of the circle described or graphed.
-Find the center-radius form of the equation of a circle with center $( 5,7 )$ and tangent to the $x$ -axis.

A) $( x - 5 ) ^ { 2 } + ( y - 7 ) ^ { 2 } = 49$
B) $( x + 5 ) ^ { 2 } + ( y + 7 ) ^ { 2 } = 25$
C) $( x + 5 ) ^ { 2 } + ( y + 7 ) ^ { 2 } = 49$
D) $( x - 5 ) ^ { 2 } + ( y - 7 ) ^ { 2 } = 25$