The center of a circle is at (−3, 1) and its radius is 9.
What is the equation of the circle?
Responses
(x−3)2+(y+1)2=81
open parenthesis x minus 3 close parenthesis squared equals open parenthesis y plus 1 close parenthesis squared equals 81
(x−3)2+(y+1)2=18
open parenthesis x minus 3 close parenthesis squared plus open parenthesis y plus 1 close parenthesis squared equals 18
(x+3)2+(y−1)2=18
open parenthesis x plus 3 close parenthesis squared plus open parenthesis y minus 1 close parenthesis squared equals 18
(x+3)2+(y−1)2=81