SOLUTION: If the third term of an arithmetic sequence is 14 and the eighth term is -1, find the values of a1 and d of the sequence.

Algebra ->  Sequences-and-series -> SOLUTION: If the third term of an arithmetic sequence is 14 and the eighth term is -1, find the values of a1 and d of the sequence.       Log On

Hi









        -5d = 15      |subtracting 2nd equation from 1st to eliminate 

          d = -3

    |substituting d into 

    



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