1.   Determine whether the graphs of the pair of equations
2x + 3y = 6 and 4x + 6y = 5
are parallel, coinciding, or neither.
    A. parallel B. neither
    C. coinciding D. all are correct
    Hint

  2.   Write the standard form of the equation of the line that passes through the point (-4, -2) and is perpendicular to the graph of 3x - 2y + 9 = 0.
    A. 2x> + 3y - 14 = 0 B. 2x + 3y + 14 = 0
    C. 3x - 2y + 14 = 0 D. 3x - 2y - 14 = 0
    Hint

  3.   How can you tell if two lines are perpendicular?
    A. The slopes are reciprocals. B. The slopes are opposites.
    C. The slopes are the same. D. The slopes are opposite reciprocals.
    Hint

  4.   Write the equation of the line that is parallel to 2x - 3y - 15 = 0 and that passes through the point (3,4).
    A. 2x - 2y + 6 = 0 B. 2x - 3y + 6 = 0
    C. 2x + 5 - 3 = 0 D. 2x + 3y + 6 = 0
    Hint

  5.   Write the equation of the line perpendicular to 5y + 3x - 10 = 0 and that passes through the point (3,1).
    A. 5x + 3y - 12 = 0 B. 5x - 3y - 4 = 0
    C. 3x + 5y - 50 = 0 D. 5x - 3y - 12 = 0
    Hint



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