Given that the equation x2 - 10x + y2 + 8y = -5 is a circle, what would be the next step in completing the square so that the equation is in general form?
A. Add 25 and 16 to both sides
B. Add 5 to both sides
C. Subtract x2 - 10 x from both sides
D. Take the square root of both sides.

Question

Given that the equation  x2 - 10x + y2 + 8y = -5  is a circle, what would be the next step in completing the square so that the equation is in general form?
	A. Add 25 and 16 to both sides
	B. Add 5 to both sides
	C. Subtract x2 - 10 x from both sides
	D. Take the square root of both sides.

anonymous · Answer

A. You have to "complete the square".