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## Mathematics

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11th

grade

68%

accuracy

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chad ludwig

4 years

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15 questions

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- 1. Multiple Choice5 minutes1 pt
Describe the sequence, find the 5th term, and write the rule

-8, -6, -4, -2...

geometric, a

_{5}= 2, a_{n}= 2n - 10geometric, a

_{5}= 0, a_{n}= -10n + 2arithmetic, a

_{5}= 2, a_{n}= -10n + 2arithmetic, a

_{5 }= 0, a_{n}= 2n - 10 - 2. Multiple Choice5 minutes1 ptIdentify the common difference.

97, 86, 75, 64, ...811-11-8 - 3. Multiple Choice5 minutes1 pt
The next term of the sequence 2,4,8,16 is

64

32

108

20

- 4. Multiple Choice5 minutes1 ptIs the sequence 2, 4, 12, 48,... geometric?yesno
- 5. Multiple Choice5 minutes1 ptWhat is the common ratio for the sequence:

28, 14, 7, 3.5...21/2-14-7 - 6. Multiple Choice5 minutes1 pt
-21, -16, -11, -6, ...

Is this sequence

**arithmetic**,**geometric**, or**neither**?arithmetic (common difference

)*d*= 5geometric (common ratio r = 5)

neither

- 7. Multiple Choice5 minutes1 ptFind the 22nd term of the following sequence:

5, 8, 11, ...14686371 - 8. Multiple Choice15 minutes1 ptEvaluate the series.36853586
- 9. Multiple Choice5 minutes1 ptFind the sum for the following series.44-162-682324
- 10. Multiple Choice5 minutes1 ptFind the common difference: a
_{2}= 6 and a_{6}= -14-1-5-22 - 11. Multiple Choice5 minutes1 ptFind the common ratio (multiplier): a
_{1}= 4 and a_{4}= 256846448 - 12. Multiple Choice30 seconds1 ptWhat type of series is

32 + 16 + 8 + 4 + 2 + 1Finite ArithmeticFinite GeometricInfinite ArithmeticInfinite Geometric - 13. Multiple Choice2 minutes1 ptWhat is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?1,60018,23518,47519,125
- 14. Multiple Choice1 minute1 ptWhat is the recursive rule for the sequence

2, 6, 18, 54, ...?a_{n}=2(3)^{n-1}a_{1}= 2, a_{n}= a_{n-1}+ 4a_{1}= 2, a_{n}= 3a_{n-1}a_{1}= 3, a_{n}= 2a_{n-1} - 15. Multiple Choice1 minute1 pt
What is the fourth term of the sequence defined by

a

_{1}= 3,a

_{n}= a_{n-1}– 7–1

–6

–18

–10

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