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10 May, 20:50

A line passes through (-1, 5) and (1, 3).

Which answer is the equation of the line?

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Answers (1)
  1. 10 May, 23:51
    0
    d) x+y = 4

    Step-by-step explanation:

    (-1, 5) and (1, 3)

    y = mx + b

    m = (3 - 5) / (1 - (-1)) = - 2 / 2 = - 1

    b = y - mx = 3 - ((-1) x 1) = 4

    equation: y = - x + 4
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