Question 824000
The equation of a circle is {{{(x-h)^2 + ( y-k)^2 = r^2}}}
(h,k) is the coordinate for the center of the circle.  <P>
-h = 2 so h = -2 and -k = -4 so k=4.  The center is (-2,4)<P>
{{{r^2 = 225}}}.  {{{sqrt(225) = 15}}}<P>
The correct choice is A.