Question

Find the center and radius of the circle x^2-6x+y^2=7

Answer 1

(x-3)^2 - 9 + y^2 = 7
(x - 3)^2 + y^2 = 16

center is (3,0) and radius = 4

Answer 2

Where did u get 0?

Answer 3

y^2 = (y-0)^2

Answer 4

i compared the equation to standard result

(x-a)^2 + (y-b)^2 = r^2

Answer 5

ohhh Ok thank YOU! life saver..can you take a look at my other unanswered question?

Answer 6

ok