You can put this solution on YOUR website! Graph x2 + y2 + 8x – 24y + 16 = 0.
Complete the squares
(x^2+8x+16)+(y^2-24y+144)=-16+16+144
(x+4)^2+(y-12)^2=144
This is an equation of a circle:
center: (-4,12)
radius=12
see graph below:
y=±(144-(x+4)^2)^.5+12