math

equation of the line containing the points (4, 5) and (-1, 3)

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asked by alex
  1. (4,5) , (-1,3).

    m = (3-5) / (-1-4) = -2 / -5 = 0.4.

    Y = mX + b,
    Y = 0.4*4 + b = 5,
    1.6 + b = 5,
    b = 5 - 1.6 = 3.4.

    Y = 0.4X + 3.4.

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    posted by Henry

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