Question Group #1 |
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Directions and/or Common Information: Using the following arithmetic series, find the sum of the first 10 terms (n = 10) |
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-12 + -15 + -18 + -21 + -24 +… |
5 + -4 + -13 + -22 + -31 + … |
-6 + -1 + 8 + 15 + 22 + … |
2 + 10 + 18 + 26 + 34 + … |
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Question Group #2 |
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Directions and/or Common Information: Using the following arithmetic series and sum, find n. |
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0 + -4 + -8 + -12 + -16 + … when Sn = -364 |
7 + 2 + -3 + -8 + -13 + … when Sn = -722 |
-7 + 0 + 7 + 14 + 21 + … when Sn = 238 |
1 + 5 + 9 + 13 + 17 + … when Sn = 231 |
3 + 11 + 19 + 27 + 35 + … when Sn = 885 |
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