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# In the xy-plane, the point (-2, -3) is the center of a

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In the xy-plane, the point (-2, -3) is the center of a [#permalink]

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10 Oct 2008, 10:06
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In the xy-plane, the point (-2, -3) is the center of a circle. The point (-2, 1) lies inside the circle and the point (4, -3) lies outside the circle. If the radius r of the circle is an integer, then r =
A. 6
B. 5
C. 4
D. 3
E. 2
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10 Oct 2008, 16:24

r has to be less than 6 but more then 4

see attached

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untitled.GIF [ 2.16 KiB | Viewed 643 times ]

Senior Manager
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10 Oct 2008, 16:31
B

R has be to within 6 and greater than 4.

Thanks Greenberg for the picture
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10 Oct 2008, 18:26
good one..only graphical represntation was required to solevd this.

IMO B
Thanks
Re: PS- COORDINATE GEOMTERY   [#permalink] 10 Oct 2008, 18:26
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