Respuesta :
Answer:
center: (2,-12)
radius: 9
Step-by-step explanation:
[tex](x-h)^2+(y-k)^2=r^2[/tex]
[tex]h=2\\k=-12\\r=9[/tex]
get r by getting square root of 81
center = (h,k)
Answer:
center: (2,-12)
radius: 9
Step-by-step explanation:
(x-h)^2+(y-k)^2=r^2
h=2
k=-12
r=9
