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Algebra II Exercise: Arithmetic Series


Question Group #1
Directions and/or Common Information: Using the following arithmetic series, find the sum of the first  10 terms (n = 10)


-12 + -15 + -18 + -21 + -24 +…
1. 





6 + 7 + 8 + 9 + 10 + …
2. 





5 + -4 + -13 + -22 + -31 + …
3. 





-6 + -1 + 8 + 15 + 22 + …
4. 





2 + 10 + 18 + 26 + 34 + …
5. 




Question Group #2
Directions and/or Common Information: Using the following arithmetic series and sum, find n.


0 + -4 + -8 + -12 + -16 + … when Sn = -364
1. 





7 + 2 + -3 + -8 + -13 + … when Sn = -722
2. 





-7 + 0 + 7 + 14 + 21 + … when Sn = 238
3. 





1 + 5 + 9 + 13 + 17 + … when Sn = 231
4. 





3 + 11 + 19 + 27 + 35 + … when Sn = 885
5. 








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