Seudónimo Seudónimo
  • 02-01-2017
  • Mathematics
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Which of the following are perpendicular to the line y=-1/3x+5 (three answers)
3x-y=2
y=3x
3x+y=5
1/3x-y=3
3x-y=6

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texaschic101
texaschic101 texaschic101
  • 02-01-2017
y = -1/3x + 5....slope here is -1/3. A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign. So ur perpendicular line will have a slope of 3.

y = 3x....has a slope of 3, so this is perpendicular.
3x - y = 2.....y = 3x- 2.....has a slope of 3 and is therefore perpendicular
3x - y = 6.....y = 3x - 6...has a slope of 3 and is perpendicular

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