SOLUTION: Find the sum of the arithmetic sequence.
3/2 + 1/2+...+(-11/2)
Algebra.Com
Question 1039414: Find the sum of the arithmetic sequence.
3/2 + 1/2+...+(-11/2)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look at the sequence
5 terms starting with a, each successive term removes 2.
The sum would be,
or in terms of the number of values,
So in your sequence,
The starting term is and ,
so then,
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