
Directions: Read carefully.
1. 
Find the sum of the first 20 terms of the arithmetic sequence: 4, 6, 8, 10, ...
Choose:



2. 
Find the sum of an arithmetic sequence whose last term is
a_{10} = 26 and whose common difference is d = 4.


3. 
Find the sum of the arithmetic sequence 8, 5, 2, ..., 7.


4. 
Evaluate this series using a formula:
Choose:



5. 
Find the sum of the positive integers from 4 to 44 inclusive.
Choose:



6. 
A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, and so on in an arithmetic sequence, until the top row has only 4 cans. How many cans, in total, are in the display?
Choose:



7. 
How many terms of the arithmetic sequence 3, 2, 7, ... must be added together for the sum of the series to be 116?
Choose:



8. 
Express the indicated sum in terms of n:


Choose:




9. 
Given: a_{1} = 3; a_{n} = a_{n1}  4
Find the sum of the first 315 terms of this sequence.


Choose:




10. 
The sum of the first three terms of an arithmetic sequence is 108, and the sum of the next three terms is 183. What is the value of the 11^{th} term?
Choose:



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