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1. |
Find the 29th term in the arithmetic sequence -9, -4, 1, 6, ... . |
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A. |
121 |
B. |
131 |
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C. |
136 |
D. |
126 |
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Hint |
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2. |
Find the next four terms in the arithmetic sequence -10, -6, -2, ... . |
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A. |
1, 5, 9, 13 |
B. |
2, 6, 10, 14 |
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C. |
0, 4, 8, 12 |
D. |
6, 10, 14, 18 |
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Hint |
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3. |
Find the sum of the first 42 terms in the arithmetic series
5 + 10 + 15 + ··· + 210. |
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A. |
4505 |
B. |
4515 |
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C. |
4525 |
D. |
4510 |
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Hint |
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4. |
Find the sum of the first 25 terms in the series -15 - 8 - 1 - ··· . |
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A. |
1732 |
B. |
1718 |
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C. |
1725 |
D. |
1711 |
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Hint |
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5. |
If a1, a2, …, an is an arithmetic sequence, then a1 + a2 + … + an is _____________. |
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A. |
an arithmetic series |
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B. |
a different arithmetic sequence |
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C. |
the arithmetic mean |
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D. |
a recursive formula |
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Hint |
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