gmat prep

Expert replies

Previous Topic Next Topic

g.shankaran: Master | Next Rank: 500 Posts; Posts: 101; Joined: Tue Oct 27, 2009 8:19 amFollowed by: 2 members; Thanked: 4 times

by g.shankaran » Wed Jun 01, 2011 7:45 pm

In a rectangular coordinate system does k intersect quadran II?

1. slope of k is -1/6
2. y-intercept of k is -6

Like this post

Source: Beat The GMAT — Data Sufficiency | Wed Jun 01, 2011 7:45 pm

cans: Legendary Member; Posts: 1309; Joined: Mon Apr 04, 2011 5:34 amFollowed by: 123 members; Location: India; Thanked: 310 times; GMAT Score:750

by cans » Wed Jun 01, 2011 8:07 pm

II quadrant means x<0 and y >0
a) slope = -1/6
or y=x*(-1/6) + c where c is the y-intercept
now as x decreases, y increases and thus there will be a point when x<0 and y>0 and thus sufficient.
b)y-intercept=-6
y=mx-6 where m is the slope
if m<0, it will intersect.
but if m>0, say m=1, it won't
insufficient.
IMO A

Like this post

Post new topic Post Reply

• Page 1 of 1

GMAT Course Reviews

560 reviews

1168 reviews

431 reviews

359 reviews

147 reviews

5/5

5 Star (560 Reviews)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

"TTP has two things that I think no other test prep company offers: A teaching approach that reinforces understanding and an attitude that will give you the mental preparedness needed to succeed on the test. TTP gives you a deep understanding of the concept you need to know while teaching you how to think."

Write a Review