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12 November, 23:59

Which pair of equations represents perpendicular lines?

a. y=2x-7, y=-0.5x-7

b. y=2x+7, y=2x-7

c. y=2x+7, y=x+7

d. y=2x+7, y=-2x-2

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Answers (1)
  1. 13 November, 02:39
    0
    Perpendicular lines have a slope that is = to the negative reciprocal.

    So a slope of 2 and the other would be - 1/2 so

    A)
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