1.   Find the slope of the line shown.
   
    A. 10 B.
    C. D.
    Hint

  2.   Which of the following is a line with zero slope?
    A. B.
    C. D.
    Hint

  3.   Points A (n, -5) and B (2, 4) are on a line. If the slope of the line is find the value of n.
    A. -4 B. -
    C. D. -11.5
    Hint

  4.   Given the points A (-3, -2), B (1, 4), C (-4, 3) and D (5, -3), determine if and are parallel, perpendicular or neither.
    A. both parallel and perpendicular B. neither
    C. parallel D. perpendicular
    Hint

  5.   Given the points A (1, 2), B (-4, 4), C (-3, -3) and D (2, -5), determine if and are parallel, perpendicular or neither.
    A. neither B. both parallel and perpendicular
    C. perpendicular D. parallel
    Hint



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