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# DS - gmatprep - xy plane

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Manager
Joined: 09 Dec 2006
Posts: 98
Followers: 1

Kudos [?]: 10 [0], given: 0

DS - gmatprep - xy plane [#permalink]  13 Sep 2007, 08:32
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
ds
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untitled.JPG [ 15.39 KiB | Viewed 413 times ]

Director
Joined: 03 May 2007
Posts: 894
Schools: University of Chicago, Wharton School
Followers: 6

Kudos [?]: 63 [0], given: 7

Re: DS - gmatprep - xy plane [#permalink]  13 Sep 2007, 08:58
Should be C. since the slope = -1/10, y is 1/10.
Manager
Joined: 09 Dec 2006
Posts: 98
Followers: 1

Kudos [?]: 10 [0], given: 0

Re: DS - gmatprep - xy plane [#permalink]  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
Director
Joined: 08 Jun 2007
Posts: 584
Followers: 2

Kudos [?]: 79 [0], given: 0

Re: DS - gmatprep - xy plane [#permalink]  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
Joined: 27 Aug 2007
Posts: 253
Followers: 1

Kudos [?]: 10 [0], given: 0

it cannot be C

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

Ans: E
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