1.   What is the slope of the line that passes through (8, 4) and (6, 7)?
    A. B.
    C. D.
    Hint

  2.   Determine the value of r so that the line through (5, 2) and (7, r) has a slope of .
   
    A. 6 B. 2
    C. 3 D. 1
    Hint

  3.   Determine the value of r so that the line through (r, 4) and (-7, 7) has a slope of .
   
    A. 9 B. 3
    C. -3 D. -11
    Hint

  4.   Which line has a slope of and passes through (2, -4)?
    A.
    B.
    C.
    D.
    Hint

  5.   Find the slope of the line that passes through (-2, 9.5) and (4, 5).
    A. B. undefined
    C. D. 0
    Hint



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