SOLUTION: find the 25th term of the arithmetic sequence:26, 13, 0, -13

Question 942808: find the 25th term of the arithmetic sequence:26, 13, 0, -13
Found 2 solutions by Fombitz, MathLover1:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Each successive term is 13 less than the previous.

So then when

Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

the th term of the arithmetic sequence:, ,,.....

the nth term of the arithmetic sequence: where is number of the term and is common difference
you have the arithmetic sequence: , , , where and , so the difference
...check the third term ( or )

which is true
so, the th term will be:
......plug in and

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