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xy plane and intercept.

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by ska7945 » Fri Oct 03, 2008 7:39 pm
Lines n and p lie in the xy-plane. Is the slope of line n less than the slope of line p ?

(1) Lines n and p intersect at the point (5,1).

(2) The y-intercept of line n is greater than the y-intercept of line p.
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Source: — Data Sufficiency |
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by namitrajiv » Sat Oct 04, 2008 12:35 pm
is it E
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by bluementor » Sat Oct 04, 2008 1:48 pm
The answer is C.

When you know two points of a certain line, you can calculate the the slope of that line. In this case, we only need to qualitatively decide whether slope of line n is less than the slope of line p.

1. Point (5,1) lies to the right of the y-axis. Both lines contain this point (they intersect at this point).

2. You have an idea of where (relative to each other) the lines intersect on the y-axis.

You can now use both statements to deduce that the slope of line n is less than the slope of line p. Therefore C.

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by raju232007 » Sat Oct 04, 2008 11:23 pm
Whats the OA?
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by 4meonly » Sun Oct 05, 2008 12:01 am
OA is C

https://www.beatthegmat.com/ds-coordinat ... t7351.html

You can draw this question on coordinate plane and you'll see that answer is C
n<p
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