Question 1092187
The circle below is centered at (4, -1) and has a radius of 3. What is its equation?
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A circle its center at (h,k) of radius r is:
{{{(x-h)^2 + (y-k)^2 = r^2}}}
That's all you need to know abut that.
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PS  Don't put a space after the comma --- (4,-1)