Co-ord geo

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moneyman: Master | Next Rank: 500 Posts; Posts: 468; Joined: Sat Mar 03, 2007 10:17 pm; Thanked: 5 times

by moneyman » Tue May 06, 2008 4:28 am

In the rectangular co-ordinate system, does the line k(not shown) intersect Quadrant II??

(1) The slope of k is -1/6

(2) The y intercept of k is -6

Ans A

Maxx

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Source: Beat The GMAT — Data Sufficiency | Tue May 06, 2008 4:28 am

amitansu: Master | Next Rank: 500 Posts; Posts: 294; Joined: Tue Feb 26, 2008 9:05 pmFollowed by: 1 member; Thanked: 13 times

by amitansu » Tue May 06, 2008 8:44 pm

The negative slope indicates that the line slopes downward from left to right.

So i guess this is sufficient to indicate that, the line intersect the quadrant II.
But not very sure !! Any expert's suggestion !!

Amit

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akshatsingh: Senior | Next Rank: 100 Posts; Posts: 77; Joined: Thu Apr 10, 2008 10:13 pm; Thanked: 4 times

by akshatsingh » Tue May 06, 2008 11:28 pm

yup,

A negative slope can never intersect the II Quadrant.

I is sifficient alone.

Aks

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moneyman: Master | Next Rank: 500 Posts; Posts: 468; Joined: Sat Mar 03, 2007 10:17 pm; Thanked: 5 times

by moneyman » Wed May 07, 2008 5:12 am

Still not sure about it..Is there any other way this problem can be solved??

Maxx

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zacharyz: Senior | Next Rank: 100 Posts; Posts: 68; Joined: Thu Feb 14, 2008 4:11 pm; Thanked: 7 times

by zacharyz » Sat May 10, 2008 12:05 pm

(A) is sufficient because it WILL eventually go through quadrant II.

https://www.beatthegmat.com/gmat-prep-te ... 10544.html

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