Question 875339
find the center and radius of the following circle:
x^2+y^2+4x-6y-23=0
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I just did this one.
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write the equation of the circle with the given center and radius: CENTER:(-4,0)r=2 
{{{(x+4)^2 + (y-0)^2 = 2^2}}}
{{{(x+4)^2 + y^2 = 4}}}