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sud21: Master | Next Rank: 500 Posts; Posts: 344; Joined: Sat Nov 12, 2011 3:21 am; Thanked: 1 times; Followed by:2 members

coordinate

by sud21 » Thu Jan 12, 2012 4:56 am

In the xy-plane, both line K and L intersect with axis-y. Is K's intercept with axis-y greater than that of line L?
1). K's intercept with axis-x is greater than that of L.
2). K and L have the same slope.

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Source: Beat The GMAT — Data Sufficiency | Thu Jan 12, 2012 4:56 am

sam2304: Legendary Member; Posts: 1239; Joined: Tue Apr 26, 2011 6:25 am; Thanked: 233 times; Followed by:26 members; GMAT Score:680

by sam2304 » Thu Jan 12, 2012 7:16 pm

sud21 wrote:In the xy-plane, both line K and L intersect with axis-y. Is K's intercept with axis-y greater than that of line L?
1). K's intercept with axis-x is greater than that of L.
2). K and L have the same slope.

1.L1 and L2 are two ways intersecting K with x intercept of K > x int of L. Without knowing the slope we cannot determine the answer. INSUFF.

2.L1 and L2 are two conditions that match the criteria and one has y intercept greater than that of K's while other is less than that of K's. INSUFF.

Combining both we can say both are parallel with x intercept of K > x int of L, y intercept should be greater.

IMO C.

Both pictures are for their respective statements in that particular order.

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