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Math Help - Slope Question, Help please!

  1. #1
    Junior Member
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    Slope Question, Help please!

    Find the value of r so the line that passes through each pair has the given slope.

    1. (-5, r), (1, 3), m = \frac{7}{6}

    2. (-7, 2), (-8, r), m = -5
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  2. #2
    Senior Member MacstersUndead's Avatar
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    Slope = rise/run
    Slope = {y_2} - {y_1} / {x_2} - {x_1}

    1)

    Let -5 be {x_1} and 1 be {x_2} and
    Let r be {y_1} and 3 be {y_2}

    Plugging in, we get the equation

    3 - r / 1 - (-5) = 7/6
    3 - r / 6 = 7/6
    3 - r = 7
    r = -4

    Try the next one by yourself.
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