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1 August, 12:22

The lines whose equations are 2x + 3y = 4 and y=mx + 6 will be perpendicular when m is

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Answers (2)
  1. 1 August, 12:34
    0
    2x+3y=4

    -2x

    3y=-2x+4

    /3

    y=-2/3x+4/3

    next you would find the negative reciprical - 3/2 so the m=-3/2
  2. 1 August, 12:40
    0
    (d1) : 2x+3y=4⇒ 3y = - 2x+4 ⇒ y = (-2/3) x + 4/3

    (d2) : y = mx+6

    d1 || d2 ⇒ m = 3/2
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