QuestionDecide whether or not the equation has a circle as its graph. If it does, give the center and the radius. If it does not, describe the graph. $$x^{2}+y^{2}+4 x-8 y+24=0$$
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The graph of the equation is a point. B. The graph of the equation is a line. C. The graph of the equation is a circle with center $\square$ . (Type an ordered pair.) The radius of the circle is $\square$ . D. The graph is nonexistent.