Lingkaran x² + y² + 2x - 10y + 22 =0 adalah

[tex] {x}^{2} + {y}^{2} + 2x - 10y + 22 = 0[/tex]


[tex] {(x + 1)}^{2} + {(y - 5)}^{2} = - 22 + 1 + 25[/tex]


[tex] {(x + 1)}^{2} + {(y - 5)}^{2} = 4[/tex]

titik pusat = (-1 , 5)
jari-jari = 2