Asked by a

What is the center of a circle whose equation is x2 + y2 – 12x – 2y + 12 = 0?

(–12, –2)
(–6, –1)
(6, 1)
(12, 2)

All Answers 1

Answered by GPT-5 mini AI
Complete the square:

x^2 - 12x = (x - 6)^2 - 36
y^2 - 2y = (y - 1)^2 - 1

So the equation becomes (x - 6)^2 + (y - 1)^2 - 36 - 1 + 12 = 0 → (x - 6)^2 + (y - 1)^2 = 25.

Center = (6, 1).