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16 Sep 2014, 01:22
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Which of the following lines is the point (1, 0) closest to?
A. \(y = x\)
B. \(y = 1\)
C. \(y + x = 3\)
D. \(x = 2\)
E. \(x + y = -1\)
A. \(y = x\)
B. \(y = 1\)
C. \(y + x = 3\)
D. \(x = 2\)
E. \(x + y = -1\)
16 Sep 2014, 01:22
Kudos
Bookmarks
Official Solution:
Which of the following lines is the point (1, 0) closest to?
A. \(y = x\)
B. \(y = 1\)
C. \(y + x = 3\)
D. \(x = 2\)
E. \(x + y = -1\)
The easiest/fastest approach to solving this type of questions is actually graphing the point and lines provided. Examine the resulting graph:
From the graph, it is clear that the point (1, 0) is closest to the line \(y = x\).
Note that while Geometry knowledge is not tested on GMAT Focus, Coordinate Geometry is tested under the Functions and Graphing sections found in the Official Guide for GMAT Focus Edition.
Answer: A
Which of the following lines is the point (1, 0) closest to?
A. \(y = x\)
B. \(y = 1\)
C. \(y + x = 3\)
D. \(x = 2\)
E. \(x + y = -1\)
The easiest/fastest approach to solving this type of questions is actually graphing the point and lines provided. Examine the resulting graph:
From the graph, it is clear that the point (1, 0) is closest to the line \(y = x\).
Note that while Geometry knowledge is not tested on GMAT Focus, Coordinate Geometry is tested under the Functions and Graphing sections found in the Official Guide for GMAT Focus Edition.
Answer: A
29 Jul 2015, 10:56
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Alternate solution.
A. \(y = x\) By process of elimination, best option
B. \(y = 1\) Same distance as D. Out.
C. \(y + x = 3\) Same distance as E.Out.
D. \(x = 2\) Same distance as B. Out.
E. \(x + y = -1\) Same distance as C. Out.
IMO A.
A. \(y = x\) By process of elimination, best option
B. \(y = 1\) Same distance as D. Out.
C. \(y + x = 3\) Same distance as E.Out.
D. \(x = 2\) Same distance as B. Out.
E. \(x + y = -1\) Same distance as C. Out.
IMO A.
