SOLUTION: Find the sum of the first 32 terms of the following sequence: -10, -2, 6 . . .

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Question 623620: Find the sum of the first 32 terms of the following sequence:
-10, -2, 6 . . .
Answer by ewatrrr(10682) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,  

Find the sum of the first 32 terms of the following sequence: 

{-10, -2, 6 . . .}  arithmetic sequence d = 8 

S%5Bn%5D=%28n%2F2%29%282%2Aa%5B1%5D%2B+%28n-1%29d%29

S%5B32%5D=%2832%2F2%29%28-20+%2B+%2831%298%29