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1. |
What is the fifth term of a geometric sequence if a1 = 7 and r = 0.2? |
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A. |
5.6 |
B. |
0.0112 |
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C. |
1.4 |
D. |
0.28 |
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Hint |
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2. |
Find three geometric means between 3 and 48. Then select the graph that uses the x-axis for the number of the term and the y-axis for the term itself. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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3. |
Write an equation for the nth term of the geometric sequence 5, 15, 45, 135, …. |
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A. |
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B. |
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C. |
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D. |
 |
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Hint |
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4. |
Which of the following is not a geometric sequence? |
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A. |
4, 2, 1,  , … |
B. |
1, 4, 16, 64 |
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C. |
3, 6, 12, 24, … |
D. |
6, 4 , 3, 1 , … |
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Hint |
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5. |
What is the ninth term of a geometric sequence if the third term is 36 and the fourth term is 72? |
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A. |
4608 |
B. |
432 |
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C. |
108 |
D. |
2304 |
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Hint |
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