Desmos Graphing Calculator
Math·Geometry and Trigonometry·Circles
mediumA circle in the xy-plane has its center at (−7,2) and the point (1,−2) lies on the circle. Which equation represents this circle?
A
(x+7)2+(y−2)2=80
B
(x+7)2+(y−2)2=36
C
(x−7)2+(y+2)2=80
D
(x−7)2+(y+2)2=36