Question

show that the equation
3x² + 3y² + 12x + 18y - 11 = 0
represent a circle​

Answer 1

Answer:

c(-2,3)

Step-by-step explanation:

3x² + 3y² + 12x + 18y - 11 = 0

divided by 3

x² + y² + 4x + 6y - 11/3 = 0

center is C(-g,-f)

formula is : x² + y² + 2gx +2fy +c=0

:. c(-2,3)