Wyznacz środek i promień okręgu x^2+y^2+12y+33=0
x^2 + y^2 + 12y + 33 = 0
x^2 + 0 + y^2 + 2*6y + 36-36+33 = 0
(x+0)^2 + (y+6)^2 = 3
(x+0)^2 + (y+6)^2 = (V3)^2
S(0; -6) i promień r = V3
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x^2 + y^2 + 12y + 33 = 0
x^2 + 0 + y^2 + 2*6y + 36-36+33 = 0
(x+0)^2 + (y+6)^2 = 3
(x+0)^2 + (y+6)^2 = (V3)^2
S(0; -6) i promień r = V3