Question

What is the center of the circle given by the equation below?

x2 - 6x = -y2 - 12y - 9

A.
(3 , -6)
B.
(-3 , -6)
C.
(3 , 6)
D.
(-3 , 6)

Answer 1

Explanation:

x

=

3

+

√

y

(

−

y

−

12

)

x

=

3

−

√

y

(

−

y

−

12

)