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16 Sep 2014, 01:29
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The distance from the Y-axis to point K is \(\frac{1}{3}\) of the distance from the X-axis to point K. If the coordinates of K are (-3, y), what is the distance between point K and the X-axis?
A. \(\frac{1}{2}\)
B. \(1\)
C. \(3\)
D. \(4.5\)
E. \(9\)
A. \(\frac{1}{2}\)
B. \(1\)
C. \(3\)
D. \(4.5\)
E. \(9\)
16 Sep 2014, 01:29
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Official Solution:
The distance from the Y-axis to point K is \(\frac{1}{3}\) of the distance from the X-axis to point K. If the coordinates of K are (-3, y), what is the distance between point K and the X-axis?
A. \(\frac{1}{2}\)
B. \(1\)
C. \(3\)
D. \(4.5\)
E. \(9\)
Point K, with coordinates (-3, y), lies on the line \(x=-3\), signifying that its distance from the Y-axis is 3 units.
Given that the distance from the Y-axis to point K is \(\frac{1}{3}\) of the distance from the X-axis to point K, the distance from K to the X-axis measures 9 units.
Note that while Geometry 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: E
The distance from the Y-axis to point K is \(\frac{1}{3}\) of the distance from the X-axis to point K. If the coordinates of K are (-3, y), what is the distance between point K and the X-axis?
A. \(\frac{1}{2}\)
B. \(1\)
C. \(3\)
D. \(4.5\)
E. \(9\)
Point K, with coordinates (-3, y), lies on the line \(x=-3\), signifying that its distance from the Y-axis is 3 units.
Given that the distance from the Y-axis to point K is \(\frac{1}{3}\) of the distance from the X-axis to point K, the distance from K to the X-axis measures 9 units.
Note that while Geometry 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: E
31 Mar 2017, 23:25
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brunel : By inferring the point is on the line x = -3, how were you able to determine the distance from y axis is 3 units ?
