Question 998557
The general form for the circle is
{{{(x-h)^2 + (y-k)^2 = r^2}}}
This has a center at (h,k) and a radius r.
Thus for this example,
(x+5)^2+(y-6)^2=4
the circle is shifted -5 on the x and +6 on the y. Center is (-5,6). Radius = 2.