1.   Use Pascal's triangle or the Binomial Theorem to expand (-x + 3y)3.
    A. x3 - 3x2y + 3xy2 -y3
    B. x3 - 9x2y + 27xy2 -27y3
    C. -x3 + 3x2y - 3xy2 + y3
    D. -x3 + 9x2y - 27xy2 + 27y3
    Hint

  2.   A coin is flipped six times. Find the number of possible sets of heads and tails that have at least 5 heads.
    A. 5 B. 7
    C. 1 D. 6
    Hint

  3.   Find the middle term of the expansion of .
    A. B.
    C. D.
    Hint

  4.   Use Pascal's Triangle or the Binomial Theorem to expand
(3x - 2y)5.
    A.
    B.
    C.
    D.
    Hint

  5.   Find the sixth term of
    A. 21h2k5 B. -21h2k5
    C. 42h2k5 D. -42h2k5
    Hint