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3 April, 16:11

Find the value of x so that the line passing through (10, 5) and (x, 9) has a slope of - 2.

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Answers (2)
  1. 3 April, 16:27
    0
    Ok, so here, we need to use the slope formula which is:

    (y2 - y1) / (x2-x1)

    y2 = 9

    y1 = 5

    x2 = x

    x1 = 10

    So:

    (9-5) / (x-10) = - 2

    Now, we just solve for x,

    9-5 = - 2 (x-10)

    4 = - 2x+20

    2x = 16

    x = 8
  2. 3 April, 16:35
    0
    X=8 ...
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