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- 1. Multiple Choice
Find the sum of the arithmetic series described:

2 + (-2) + (-6) + (-10)..., S

_{10}-160

-328

-320

-336

- 2. Multiple Choice
The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

550

638

610

288

- 3. Multiple Choice
Evaluate: $\sum_{x=2}^{11}\left(5x-2\right)$

305

503

53

8

- 4. Multiple Choice
Expand: $\sum_{k=3}^6\left(2k-1\right)$

4, 6, 8, 10

4, 6, 8

5, 7, 9, 11

5, 7, 9

- 5. Multiple ChoiceWhat is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?1,60018,23518,47519,125
- 6. Multiple Choice14911,2005,600140
- 7. Multiple ChoiceFind the 32nd term of this sequence.

9, 4, -1, -6, -11, ...81-34-146-225 - 8. Multiple Choice
Find the sum.

24+48+72+...+480

*Hint: Find out what term number 480 is first. Then find the sum.*

5280

9576

10080

5040

- 9. Multiple Choice
Find the sum of the first 100 odd numbers

5000

2500

2525

3250

- 10. Multiple ChoiceEvaluate the arithmetic series described:

11 + 18 + 25 + 32..., S_{7}225450384224 - 11. Multiple ChoiceEvaluate the arithmetic series described:

28 + 38 + 48 + 58..., S_{7}16448124063290 - 12. Multiple ChoiceEvaluate the arithmetic series described:

0 - 7 - 14 - 21..., S_{}_{17}-959-1904-952-1918 - 13. Multiple ChoiceYou are sitting in row 23 and notice there are 65 seats in your row. The row in front of you has 63 seats and the row behind you has 67 seats. There are 42 rows in the auditorium. How many seats does the auditorium contain? (Hint: Find the number of seats in the first and last rows)2,6042,1632,4222,803
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