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OpenStudy (anonymous):
x^2+y^2+18x+6y+65=0
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OpenStudy (anonymous):
the radius
OpenStudy (anonymous):
idk
OpenStudy (anonymous):
idk how to find the radius
OpenStudy (anonymous):
First start by completing the square for both x and y x^2 + 18x + __ + y^2 + 6y + __ = -65 + __ + __ which gives you the equation of the circle (x + 9)^2 + (y+3)^2 = 25
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