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# DS Geometery.JPG

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Director
Joined: 20 Sep 2006
Posts: 640

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21 Sep 2008, 18:37
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DS Geometery.JPG [ 15.28 KiB | Viewed 1045 times ]

--== Message from GMAT Club Team ==--

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Senior Manager
Joined: 09 Oct 2007
Posts: 459

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21 Sep 2008, 19:15
1
KUDOS

1) Slope is negative, this means that the line 'travels' downward from left to right. It will always pass through quadrant 2 and 4.

2) Insufficient. Line may or may not pass through quadrant 2 because you do not know the slope.
SVP
Joined: 17 Jun 2008
Posts: 1504

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22 Sep 2008, 01:19
D for me.

1 clearly says that the line will not intersect quad II.

2 says that y intercept is -ve.....that means this line will never intersect quad II.
Director
Joined: 23 May 2008
Posts: 757

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22 Sep 2008, 01:58
C

1) gives slope but no points to draw a line
2) gives y intercept and only one point (need 2 points to make a line)

1 and 2 together you can plug in numbers to get a second point
Senior Manager
Joined: 09 Oct 2007
Posts: 459

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22 Sep 2008, 07:14
1
KUDOS
asdert wrote:

1) Slope is negative, this means that the line 'travels' downward from left to right. It will always pass through quadrant 2 and 4.

2) Insufficient. Line may or may not pass through quadrant 2 because you do not know the slope.

Here's a graphic that supports my answer (A):
Attachments

slope.jpg [ 29.18 KiB | Viewed 986 times ]

SVP
Joined: 17 Jun 2008
Posts: 1504

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22 Sep 2008, 10:46
asdert wrote:
asdert wrote:

1) Slope is negative, this means that the line 'travels' downward from left to right. It will always pass through quadrant 2 and 4.

2) Insufficient. Line may or may not pass through quadrant 2 because you do not know the slope.

Here's a graphic that supports my answer (A):

I am confused now. What is the meaning of "intersect quadrant II"? Does it not mean that the line must have x -axis and y-axis intercepts in quadrant II?
Director
Joined: 20 Sep 2006
Posts: 640

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22 Sep 2008, 14:34
asdert wrote:

1) Slope is negative, this means that the line 'travels' downward from left to right. It will always pass through quadrant 2 and 4.

2) Insufficient. Line may or may not pass through quadrant 2 because you do not know the slope.

Thanks ... OA is A.

Thanks for clarifying ..... [+1]
Director
Joined: 20 Sep 2006
Posts: 640

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22 Sep 2008, 14:38
scthakur wrote:
asdert wrote:
asdert wrote:

1) Slope is negative, this means that the line 'travels' downward from left to right. It will always pass through quadrant 2 and 4.

2) Insufficient. Line may or may not pass through quadrant 2 because you do not know the slope.

Here's a graphic that supports my answer (A):

I am confused now. What is the meaning of "intersect quadrant II"? Does it not mean that the line must have x -axis and y-axis intercepts in quadrant II?

Means... does the line pass thru II quardant. And as shown by asdert ... every line with -ve slope must pas thru 2nd and 4th quardant. It may or may not pass thru eith Ist or III rd quardant.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: DS Geometery   [#permalink] 22 Sep 2008, 14:38
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