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1. |
Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. |
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A. |
not geometric |
B. |
geometric, r = 3 |
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C. |
geometric, r = 7 |
D. |
geometric, r = 14 |
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Hint |
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2. |
What are the next three terms of the geometric sequence 4, 10, 25,…? |
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A. |
62.5, 156.25, 390.625 |
B. |
100, 250, 1000 |
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C. |
62.5, 312.5, 1562.5 |
D. |
100, 400, 1600 |
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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. |
24, 16 |
B. |
28.5, 25.52 |
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C. |
26, 22 |
D. |
25.6, 20.48 |
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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. |
exponential |
B. |
recursive |
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C. |
geometric |
D. |
dependent |
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Hint |
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5. |
What is the eighth term of the geometric sequence whose first three terms are 3, 6, and 12? |
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A. |
128 |
B. |
768 |
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C. |
384 |
D. |
256 |
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Hint |
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