Respuesta :

caylus
Hello,

[tex]x^2+y^2-4x+22y+61=0\\\\ (x^2-4x+4) +(y^2+22y+121)-121-4+61=0\\\\ (x-2)^2+(y+11)^2=64 [/tex]

Center is (2,-11) and radius is 8