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Mar 31, 2016 5:15 pm
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
69% (01:30) correct
31%
(01:28)
wrong
based on 139
sessions
History
Date
Time
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Not Attempted Yet
In the xy–coordinate plane, a line segment is drawn to join the points A (2, 1) and C(4, 3). If point B lies on line segment AC, is AB = BC?
(1) The x-coordinate of point B is 3
(2) The y-coordinate of point B is 2
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
(1) The x-coordinate of point B is 3
(2) The y-coordinate of point B is 2
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
Mar 31, 2016 10:05 pm
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robu
Dear robu,
I'm happy to respond.
I'm curious about the source. This feels not so much like a real GMAT question, but more like a review question from a review book about introductory coordinate geometry problems. This is about seven notches easier than an actual GMAT question. Once a line is specified, then obviously specifying either the x- or y-coordinate of the point will specify the exact point on the line, which will full establish whether the point is the midpoint.
Also, here's a diagram. The fact that this line has a slope of one and involves three consecutive lattice points is further evidence of how simplistic this question is:
Attachment:
midpoint diagram.JPG
Everything is significant. Answer = (D).
For coordinate geometry questions that are significantly more test-like, see:
Challenging Coordinate Geometry Practice Questions
Mike
>> !!!
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Jun 09, 2016 11:36 am
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In the xy–coordinate plane, a line segment is drawn to join the points A (2, 1) and C(4, 3). If point B lies on line segment AC, is AB = BC?
(1) The x-coordinate of point B is 3
(2) The y-coordinate of point B is 2
(1) The x-coordinate of point B is 3
(2) The y-coordinate of point B is 2
>> !!!
You do not have the required permissions to view the files attached to this post.
