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1. |
What is the next term in the sequence 1, 3, 9, 27, 81, ...? |
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A. |
243 |
B. |
27 |
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C. |
108 |
D. |
82 |
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Hint |
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2. |
Determine whether the sequence 3, 12, 48, 192 is geometric. If so, find its common ratio. |
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A. |
geometric, r = 9 |
B. |
geometric, r = 3 |
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C. |
geometric, r = 4 |
D. |
not geometric |
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Hint |
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3. |
Find the next two terms of the geometric sequence 50, 40, 32, … |
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A. |
26, 22 |
B. |
25.6, 20.48 |
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C. |
28.5, 25.52 |
D. |
24, 16 |
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Hint |
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4. |
A formula in which the nth term of a sequence is expressed in terms of the previous term, as in  is called what? |
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A. |
geometric |
B. |
exponential |
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C. |
recursive |
D. |
dependent |
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Hint |
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5. |
Suppose that the sixth term of a geometric sequence is 1215, and the first term is 5. What is the second term? |
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A. |
12.5 |
B. |
15 |
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C. |
8 |
D. |
9 |
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Hint |
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