1.   Find the next three terms of the sequence 9, 2, -5, -12, ... .
    A. -24, -31, and -38 B. None of these is correct.
    C. -12, -17, and -24 D. -17, -24, and -31
    Hint

  2.   Find the seventeenth term, a17, in the sequence 11.7, 15.2, 18.7, ...
    A. 71.2 B. 64.2
    C. 74.7 D. 67.7
    Hint

  3.   The fifth term of a geometric sequence is . The common ratio is . Find the first term.
    A. 11 B. 10
    C. 8 D. 9
    Hint

  4.   Find the next three terms of 0, 9, 18, 27, ….
    A. 36, 45, 53 B. 36, 45, 55
    C. 36, 44, 53 D. 36, 45, 54
    Hint

  5.   Determine whether the sequence is geometric. If it is, state the common ratio. Write the next three terms of the sequence.
96, 48, 24, 12, 6, …
    A. The sequence is not geometric.
    B. The sequence is geometric. The common ratio is 2. The next three terms are 3, , and .
    C. The sequence is geometric. The common ratio is . The next three terms are 3, 1, and .
    D. The sequence is geometric. The common ratio is 2. The next three terms are 192, 384, and 768.
    Hint



Glencoe
The McGraw-Hill Companies