Find the center and radius of the circle with the given equation.
-$$( x - 8 ) ^ { 2 } + ( y + 10 ) ^ { 2 } = 121$$
A) $( 8 , - 10 ) ; \mathrm { r } = 121$
B) $( - 10,8 ) ; r = 121$
C) $( - 10,8 ) ; r = 11$
D) $( 8 , - 10 ) ; r = 11$

Question

Quizplus · Accepted Answer

The center of the circle is given by the coordinates inside the parentheses, which are $(8, -10)$, and the radius is the square root of the number on the right side of the equation, which is $\sqrt{121} = 11$.

Find the Center and Radius of the Circle with the Given