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14 November, 17:39

What is the slope of the line passing through (1, 2) and (3, 8) ?

slope = 1/7

slope = 1/3

slope = 3

slope = 7

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Answers (1)
  1. 14 November, 20:19
    0
    Slope=3

    Assume the slope is k, the y-intercept is b

    U can get to equation according to (1,2) and (3,8):

    2=1k+b

    8=3k+b

    Subtract equation 1 by equation 2, u can get 2k=6;

    So k=3;

    Therefore the slope is equal to 3
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