Which of the following is the correct equation for the unit circle?(1 point)
Responses
(x)2+(y)2=4
left parenthesis x plus 2 right parenthesis squared plus left parenthesis y plus 3 right parenthesis squared equals 16
(x)2+(y)2=1
left parenthesis x minus 2 right parenthesis squared plus left parenthesis y minus 3 right parenthesis squared equals 16
(x)2−(y)2=4
left parenthesis x plus 2 right parenthesis squared plus left parenthesis y plus 3 right parenthesis squared equals 4
(x)2−(y)2=9