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

  2.   Determine the equation of the perpendicular bisector of the line segment with endpoints S(2, 6) and T(10, -4).
    A. 5x + 4y + 19 = 0 B. 4x - 5y - 19 = 0
    C. 4x - 5y + 19 = 0 D. 5x - 4y - 19 = 0
    Hint

  3.   Determine whether 3x - 5y + 1 = 0 and 6x - 10y + 2 = 0 are parallel, coinciding, or neither.
    A. coinciding B. parallel
    C. perpendicular D. all are correct
    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 + 3y + 6 = 0 B. 2x - 3y + 6 = 0
    C. 2x + 5 - 3 = 0 D. 2x - 2y + 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. 3x + 5y - 50 = 0 B. 5x + 3y - 12 = 0
    C. 5x - 3y - 4 = 0 D. 5x - 3y - 12 = 0
    Hint



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