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Which of the following lines is perpendicular to 4x + 5y = 9
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03 Jul 2016, 16:08
03 Jul 2016, 16:08
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68% (00:29) correct
31% (00:18) wrong based on 44 sessions
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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. \(y = \frac{-4}{5}x\)
Re: Which of the following lines is perpendicular to 4x + 5y = 9
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04 Jul 2016, 21:10
04 Jul 2016, 21:10
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Slope of the original line is -4/5
Any perpendicular line should have a slope of 5/4. Hence answer A
Any perpendicular line should have a slope of 5/4. Hence answer A
Re: Which of the following lines is perpendicular to 4x + 5y = 9
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29 Aug 2022, 23:39
29 Aug 2022, 23:39
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