Question

Find the center and radius of the circle: x^2+2x+y^2+10y=15

Answer 1

\[x^2 + 2x + y^2 +10y = 15\]

Answer 2

do you know how to complete the square?

Answer 3

What does that mean?

Answer 4

equation of a circle
(x-h)^2 + (y-k)^2 = r^2 where the center is (h, k) and the radius, r

Answer 5

Oh yea! But I don't know what I'm doing in this problem

Answer 6

think of completing 2 squares

Answer 7

How would I do that?

Answer 8

I am restricted on this laptop don't have "draw"

Answer 9

think of completing 2 squares
one with x and one with y
combine the constants
look at the formula above for the equation of a circle

Answer 10

Could you type out how solving it would look like?