Question

Find the centre and radius of the circle x2+y2-4x+6y=12=0​

Answer 1

Answer:

root 12 is the radius of this circle

Answer 2

Answer:

assuming after 6y there is a negative sign

centre=(-2,3)

radius = 5

centre =(-g,-h)

radius = square root (g^2 +f^2-c)