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1. |
Find the sum of the first five terms of the geometric series for which
a1 = 2 and r = 2. |
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|
A. |
62 |
B. |
30 |
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|
C. |
14 |
D. |
126 |
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Hint |
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2. |
Determine the sum of the geometric series for which a1 = -486,  , and an = -6. |
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A. |
-726 |
B. |
325 |
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|
C. |
732 |
D. |
322.6 |
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Hint |
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3. |
Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms. |
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A. |
-689 |
B. |
-599 |
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C. |
-527 |
D. |
-635 |
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Hint |
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4. |
Find the sum of a geometric series for which a1 = 23,328, an = 3, and r =  . |
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A. |
27,993 |
B. |
27,990 |
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C. |
19,440 |
D. |
23,327 |
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Hint |
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5. |
Find a1 in a geometric series for which S12 = 3071.25 and r = 2. |
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A. |
3 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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