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7 February, 14:59

Find an equation for the nth term of the arithmetic sequence.

-17, - 13, - 9, - 5,

+3
Answers (1)
  1. 7 February, 17:10
    0
    an = - 17 + 4 (n - 1)

    Step-by-step explanation:

    The difference (d) between terms is constant at 4. The first term (a1) is - 17. For an arithmetic sequence, the general term is ...

    an = a1 + d (n-1)

    For the values of this sequence, that is ...

    an = - 17 + 4 (n - 1)
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