A circle has center (5, -4) and radius 8. Which gives the equation of the circle?
A) (x + 5)2 + (y - 4)2 = 8
B) (x - 5)2 + (y + 4)2 = 8
C) (x + 5)2 + (y - 4)2 = 64
D) (X - 5)2 + Hy + 4)2 = 64