Q.
A. x2 + y2 + 8x + 2y + 51 = 0
B. x2 + y2 + 8x - 2y - 51 = 0
C. x2 + y2 - 8x - 2y - 51 = 0
D. x2 + y2 + 8x + 2y - 51 = 0
E. None of the above
Correct choice: C
Explanation: