gmat prep corordinate geomatry

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alltimeacheiver: Master | Next Rank: 500 Posts; Posts: 183; Joined: Wed Feb 09, 2011 3:08 amFollowed by: 5 members; Location: Delhi; Thanked: 1 times

by alltimeacheiver » Fri Feb 18, 2011 11:16 pm

HI Everyone,

Simple way of solving this question. How can From the slow W can we deduct quardrant.

Does line k intersect quadrant II? A
a. Slope of k is -1/6
b. Y intercept of k is -6

This is the best gmat forum that I have ever seen. Pls guide me in this question

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Source: Beat The GMAT — Data Sufficiency | Fri Feb 18, 2011 11:16 pm

Pilot: Junior | Next Rank: 30 Posts; Posts: 16; Joined: Sun Jan 17, 2010 2:33 am

by Pilot » Fri Feb 18, 2011 11:39 pm

If the line has a negative slope, it passes through one of the following: II,I,IV ; II, III, IV; II, IV.
Hence, all of them pass through II. So A is sufficient.

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