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Algebra

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Write an equation in slope intercept form of the line that passes through (4, 1) and (5, -1).

  • Algebra -

    y-y1=m(x-x1)
    -1-1=m(5-4)
    M=-2

  • Algebra -

    Olivia found the slope

    so y = -2x + b
    sub in one of the given points, I will use (4,1)
    1 = -2(4) + b
    b = 9

    y = -2x + 9

    (test it with the other point, it works)

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