Question

when finding the center and radius of a circle with the equation x^2+y^2-8x+4y=3, i found the center to be at 4,-2 and the radius to be root23. Correct?

Answer 1

(x-4)^2 + (y+2)^2 -16 -4 = 3.

Correct.

Answer 2

thanks for the check - i like to do them before i ask :P

Answer 3

U r welcome:-)