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OpenStudy (anonymous):
The equation of a circle is (x + 3)2 + (y – 5)2 = 81. Determine the coordinates of the center of the circle and the length of the radius. Center (-3, 5), radius is 9 Center (3, 5), radius is 9 Center (-5, -3), radius is 81 Center (5, 3), radius is 81
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OpenStudy (rational):
compare the given equation with the equation in that link and see if you can figure out center and radius
OpenStudy (anonymous):
idk im confused
OpenStudy (anonymous):
wait would it be (-3,5) and radius 9?
OpenStudy (anonymous):
@rational
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OpenStudy (rational):
Perfect!
OpenStudy (anonymous):
yes! thanks
OpenStudy (rational):
good job!
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