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3 January, 21:34

What does the value of x have to be so that

(x,-7) and (-1,4) have a slope of 11/4 between them?

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Answers (1)
  1. 3 January, 21:57
    0
    x=-5

    Step-by-step explanation:

    slope=m=11/4

    (x, - 7) x1 = x, y1 = -7

    (-1,4) x2=-1, y2 = 4

    m = (y2-y1) / (x2-x1)

    m = (4 - (-7)) / (-1-x)

    11/4 = (4+7) / (-1-x)

    11/4=11 / (-1-x)

    then 4=-1-x,

    -x=4+1

    -x=5

    x=-5
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