Find an Equation for the Circle $( x - 5 ) ^ { 2 } + ( y - 8 ) ^ { 2 } = 3.1$

Short Answer

Find an equation for the circle.
-Center at (5,-8) , diameter of length 6.2
A) $( x - 5 ) ^ { 2 } + ( y - 8 ) ^ { 2 } = 3.1$
B) $( x - 5 ) ^ { 2 } + ( y + 8 ) ^ { 2 } = 9.61$
C) $( x + 5 ) ^ { 2 } + ( y - 8 ) ^ { 2 } = 9.61$
D) $( x + 5 ) ^ { 2 } - ( y + 8 ) ^ { 2 } = 38.44$