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DS:Coordinate Geometry

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Manager
Manager
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Joined: 22 Mar 2010
Posts: 64
Followers: 1

Kudos [?]: 1 [0], given: 1

DS:Coordinate Geometry [#permalink] New post 17 Jul 2010, 10:52
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

80% (01:13) correct 20% (00:00) wrong based on 5 sessions
The y intercept of line l is 4. If the slope of l is negative, which of the following could be the x-intercept of l?

I. -1
II. 0
III. 6

a. I only
b. II only
c. III only
d. I and II
e. I and III
[Reveal] Spoiler: OA
CEO
CEO
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Status: Nothing comes easy: neither do I want.
Joined: 12 Oct 2009
Posts: 2793
Location: Malaysia
Concentration: Technology, Entrepreneurship
Schools: ISB '15 (M)
GMAT 1: 670 Q49 V31
GMAT 2: 710 Q50 V35
Followers: 174

Kudos [?]: 879 [0], given: 235

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Re: DS:Coordinate Geometry [#permalink] New post 17 Jul 2010, 10:55
Slope of the line x/a + y/b = 1 is -b/a here b = 4

hence slope = -4/a since -4/a is -ve, 'a' must be non zero and positive.
Only solution is 6

Thus C
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Re: DS:Coordinate Geometry   [#permalink] 17 Jul 2010, 10:55
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