Question

A certain circle can be represented by the

following equation.
2? + y2 - 182 + 204 + 177 = 0
What is the center of this circle?
What is the radius of this circle?

Answer 1

let 2? be 2y

2y+y^2-563=0

2y+y^2=0+563

2y+y^2=563

3y^2\3=563\3

y=13.69