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OpenStudy (anonymous):
Find the radius of the circle defined by the equation below. x2 + y2 - 8x + 6y - 11 = 0 3 6 9 12
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OpenStudy (anonymous):
hey
OpenStudy (campbell_st):
complete the square in x and y after rewriting the equation \[(x^2 - 8x) + (y^2 + 6y) = 11\]
OpenStudy (campbell_st):
whatever you add to complete the squares needs to be added to both sides
OpenStudy (anonymous):
radius is 6
OpenStudy (anonymous):
I got 6 too
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OpenStudy (anonymous):
haha who did you write that to?
OpenStudy (anonymous):
lol
OpenStudy (anonymous):
you
OpenStudy (anonymous):
oh lol thanks?
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