Q.
A. x2 + y2 + 6x + 8y + 1 = 0
B. x2 + y2 - 6x - 8y = 0
C. x2 + y2 + 3x + 4y= 0
D. x2 + y2 - 3x - 4y= 0
E. None of the above
Correct choice: D
Explanation: