1.  
    A. B.
    C. D.
    Hint

  2.   Triangle FGH has vertices F(12, 6), G(8, 1), and H(-4, 4). If the triangle is reduced so that the resulting perimeter is half the original perimeter, what are the coordinates of F'?
    A. (6, 3) B. (6, 6)
    C. (-2, -2) D. (4, 2)
    Hint

  3.   Find C + D if C = [14 8 -1] and D = [-10 8 15].
    A. [4 0 -16] B. [24 16 14]
    C. [4 16 14] D. [24 0 -16]
    Hint

  4.   Find AB if and
    A. B.
    C. D.
    Hint

  5.   Find .
    A.
    B. impossible
    C.
    D.
    Hint



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