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4-67.

    What is the equation of each of the lines described below? Homework Help ✎

  1. The line that passes through and .

    Calculate the slope between the two points.
    Once you find the slope, write the general equation and use one of the points to solve for the missing parameter.

  2. The line that is perpendicular to  and passes through .

    The slope of the given line is . What is the slope of the perpendicular line?