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Mathematics
10th -
University
Arithmetic and Geometric Series Practice
16 questions
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- 1. Multiple Choice
To find the next term in an arithmetic sequence…
add the common difference d
multiply by the common ratio r
- 2. Multiple Choice
To find the next term in a geometric sequence…
add the common difference d
multiply by the common ratio r multiply by the common ratio r
- 3. Multiple Choice
How many terms are in the sequence?
6
7
3
2
- 4. Multiple ChoiceCalculate the final sum/total of the series.62192
- 5. Multiple Choice19639249254
- 6. Multiple Choice14911,2005,600140
- 7. Multiple Choice
Evaluate Sn:
28 + 35 + 42 + 49 + ..., n = 10
(Hint: is this arithmetic or geometric?)
2384
595
1192
1190
- 8. Multiple Choice
Evaluate S8:
2 + 6 + 10 + 14 + ...
128
494
256
255
- 9. Multiple ChoiceWhat is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?1,60018,23518,47519,125
- 10. Multiple Choice
Evaluate S12 for the arithmetic series where:
a1=?, a12=48, and d=4
310
312
620
624
- 11. Multiple Choice
The sum of this arithmetic series is 595. a1=28, and an=91. How many terms are there (what is n)?
9
10
11
12
- 12. Multiple ChoiceWhat is the sum of the first 10 terms for the following geometric series:
1+1/2+1/4+1/8+1/16+...0.9990.0029.81.998 - 13. Multiple ChoiceFind the indicated sum for the geometric series.
S6 for (-4/5) + 8 + (-80) + 800 + ....S6 = 21,845S6 = 72,000S6 = 72,727.2S6 = -128,840.8 - 14. Multiple Choice
Find the sum of a geometric series where
a1=4, r = -2 , an = 16,384
-10,921.3333333
10,922
10,924
-10,924
- 15. Multiple Choice
Evaluate the sum of the geometric series:
-1 + 5 - 25 + 125 + ... + 78,125
65104
56732
-1/6
65816
- 16. Multiple Choice
Evaluate sum S8:
a1=?, a8=839,808, r= -6
717456
719835
665624
668938
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