Question 372619
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Hi,
The standard equation of a circle with center C(h,k) and radius r is :
{{{(x - h)^2 + (y - k)^2 = r^2}}}
Find the equation of the circle when the center is (-4,5) and the radius is 3
(x+4)^ + (y-5)^2 = 3^3 = 9

{{{drawing(500,500, -10,3,-3,10,grid(1),circle(-4,5,3), circle(-4,5,.15), line(-4,5,-1,5,-4),locate(-4,5,C),locate(-2.5,5,r))}}}