SOLUTION: For questions 1-6 determine whether each series is arithmetic or geometric. Then evaluate the series to the given term. 1. 1+4+7+...; S8 2. 1+4+16+...; S8 3. 288+144+72+..

Algebra ->  Sequences-and-series -> SOLUTION: For questions 1-6 determine whether each series is arithmetic or geometric. Then evaluate the series to the given term. 1. 1+4+7+...; S8 2. 1+4+16+...; S8 3. 288+144+72+..      Log On


   

Question 198208: For questions 1-6 determine whether each series is arithmetic or geometric. Then evaluate the series to the given term.
1. 1+4+7+...; S8
2. 1+4+16+...; S8
3. 288+144+72+...; S7
4. 42+55+68+...; S12
5. -20-12-4+4+...; S10
6. 2-6+18-54+...; S10
Answer by arallie(162) About Me  (Show Source):
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1. 1+4+7+...; S8=25 Arith
2. 1+4+16+...; S8=65536 Geo
3. 288+144+72+...; S7=2.25 Geo
4. 42+55+68+...; S12=198 Arith
5. -20-12-4+4+...; S10=60 Arith
6. 2-6+18-54+...; S10=59051 Geo