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7 February, 02:29

Equation a: 3x y = 6 equation b: 6x - 2y = 4 equation c: y = 3x - 2 equation d: y = 1/3x 7 which two lines are perpendicular?

a. a and b

b. b and c

c. a and d

d. c and d

+3
Answers (1)
  1. 7 February, 02:59
    0
    Perpendicular have slopes that multil to - 1

    for

    ax+by=c

    slope=-a/b

    and

    y=mx+b

    m=slope

    equations find slope

    A. - 3/1=-3

    B. - 6/-2=3

    C. 3

    D. 1/3

    1/3 times - 3=-1

    A and D

    C is the answer
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