Question

The point (6,-10) is on a circle with center (2,-6). Write the standard equation of the circle.

Answer 1

\[(x-2)^2+(y+6)^2=r^2\] where \(r^2\) is the square of the distance between the two points

Answer 2

i.e.
\[r^2=(6-2)^2+(-10+6)^2\]

Answer 3

which one is it?