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.

Question 394654: 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.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi









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

          d = -3

    |substituting d into 

    



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