Respuesta :
Answer:
(x-2)^2+(y+8)^2=81
Step-by-step explanation:
so equation of a circle standard form:
(x-h)^2+(y-k)^2=r^2
where
(h,k) are the coordinate points
so lets substitute h=2 and k=-8
(x-2)^2+(y+8)^2=9^2
(x-2)^2+(y+8)^2=81
Hope this helps!