SOLUTION: What point is the center of the circle with equation x^2+y^2-6x+2y-6=0? A.(3,1) B.(9,1) C.(-3,-1) D.(3,-1) E.(-3,1) THANKS

SOLUTION: What point is the center of the circle with equation x^2+y^2-6x+2y-6=0? A.(3,1) B.(9,1) C.(-3,-1) D.(3,-1) E.(-3,1) THANKS

Algebra.Com

Question 181823: What point is the center of the circle with equation
x^2+y^2-6x+2y-6=0?
A.(3,1) B.(9,1) C.(-3,-1) D.(3,-1) E.(-3,1)
THANKS
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!

:
setting up to complete squares on x an y terms
:

:
so the center is at (3,-1)
:
D is the answer
RELATED QUESTIONS
Question: Find the center and radius of x^2+y^2-6x-2y-6=0 Possible Answers: (A) none (answered by Fermat)

A conic section has the equation x^2-6x-y+4y-4=0. Which of the following are true? Check... (answered by Big Poop,solver91311)

The graph of a circle describes y as a function of x. True False Which of these... (answered by Edwin McCravy)

A line with slope -2 passes through the point (-1, 3). what is the equation of the line. (answered by solver91311)

What is the center and the radius of a circle with equation... (answered by stanbon)

1. Write the following equation of a circle in standard form: x^2+y^2-4x +2y+3=0 2.... (answered by solver91311)

Which of the following is an equation of a circle with a center at (-1, 0)? A. (x-1)^2 (answered by Theo)

REVIEW 39: What is the center of the circle with equation (x + 1)2 + (y + 3)2 =... (answered by checkley75)

Find the equation of a circle with radius 5 and centered at (3,-1). a.... (answered by aswathytony)