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OpenStudy (anonymous):
Given the equation x^2+y^2+4x+16y-15=0, (a) find the center and radius; (b) find the intercepts, if any. Please show all of your work.
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OpenStudy (anonymous):
(x+2)^2 - 4 + (y+8)^2 - 64 = 15 (x+2)^2 + (y+8)^2 = 83 (a) centre = (-2,-8) and radius = sqrt(83) sorry gotta go - cant complete (
OpenStudy (anonymous):
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