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DS - gmatprep - xy plane

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Manager
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DS - gmatprep - xy plane [#permalink] New post 13 Sep 2007, 08:32
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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Director
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Re: DS - gmatprep - xy plane [#permalink] New post 13 Sep 2007, 08:58
Should be C. since the slope = -1/10, y is 1/10.
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Re: DS - gmatprep - xy plane [#permalink] New post 13 Sep 2007, 09:06
Fistail wrote:
Should be C. since the slope = -1/10, y is 1/10.

C was my answer, but OA is different
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Re: DS - gmatprep - xy plane [#permalink] New post 13 Sep 2007, 09:08
I think its E .

Stmt1 = not sufficient . because just knowing x is not enough.
Stmt2 = not sufficient . because just knowing slope also its not sufficient.

Combining both .
Still not sure because we don’t know where x is intercepted . It could be 1.5 or 20 or even 100 .And depending on that the y-intercept will vary . And so the line may or may not intersect the circle.

So E
Senior Manager
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 [#permalink] New post 15 Sep 2007, 08:14
it cannot be C

we don't know about how far it lies from 1 (x intercept)

Ans: E
  [#permalink] 15 Sep 2007, 08:14
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