Posted by jack on Wednesday, May 18, 2011 at 10:22pm.
So ll the points whose distance from the point (3, -2) is 10 would be the circle
(x-3)^2 + (y+2)^2 = 100
when x = 9
36 + (y+2)^2 = 100
(y+2)^2 = 64
y + 2 = ± 8
y = 6 or y = -10
looks like choice #1
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