Question 475614
The general form of a circle is


*[tex \LARGE (x - x_0)^2 + (y - y_0)^2 = r^2], where the center of the circle is (x0, y0) and the radius is r.


Applying this form, we say that the center of the circle is (8,-7) and the radius is sqrt(64), or 8. Choice C is correct.