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15 Jul 2018, 08:30
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
72% (00:49) correct
28%
(01:13)
wrong
based on 425
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Which of the following lines is perpendicular to 4x + 5y = 9 on the xy plane?
A. \(y = \frac{5}{4}x + 2\)
B. \(y = \frac{-5}{4}x + 9\)
C. \(y = -4x + \frac{9}{5}\)
D. \(y = \frac{4}{5}x + \frac{-4}{5}\)
E. \(y = \frac{-4}{5}x\)
A. \(y = \frac{5}{4}x + 2\)
B. \(y = \frac{-5}{4}x + 9\)
C. \(y = -4x + \frac{9}{5}\)
D. \(y = \frac{4}{5}x + \frac{-4}{5}\)
E. \(y = \frac{-4}{5}x\)
15 Jul 2018, 08:44
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4x + 5y = 9
y = -4/5*x + 9/5
Slope of the line = -4/5
So, line perpendicular to the given line should have a slope of 5/4.
A. \(y = \frac{5}{4}x + 2\)
Hence, A.
y = -4/5*x + 9/5
Slope of the line = -4/5
So, line perpendicular to the given line should have a slope of 5/4.
A. \(y = \frac{5}{4}x + 2\)
Hence, A.
28 Aug 2018, 05:40
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whats the level of this question?
Does this kind of question come on real Gmat ?
Does this kind of question come on real Gmat ?
