Question

Find the radius and center of the equation `x^2+y^2+6x-8y=0`?

Answer 1

`S^1(P, r)`
`P = (-3,4)`
`r = 5`

Explanation:

`x^2 + 6x + 9`
`+ y^2 - 8y + 16`
`= 9 + 16`

`(x +3)^2 + (y - 4)^2 = 25`