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March 29, 2017

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"A line perpendicular to x + 3y = 5 passes through (1, -1). What is the
equation of the line in standard form?"

  • Algebra - ,

    You have a point (1,-1) and a slope 3
    The point-slope form is

    y-(-1) = 3(x-1)

    Rearrange terms to get to standard form:

    y+1 = 3x-3

    -3x + y = -4

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