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18 June, 09:57

The first four terms of an arithmetic sequence are 28 20 12 4 which term of the sequence is - 36

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  1. 18 June, 11:23
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    The nth term=the first term + (n-1) the difference

    Here the difference between neighboring terms is - 8

    -36=28 + (n-1) * (-8)

    -8 (n-1) = - 36-28=-64

    n-1=8

    n=9

    the 9th term is - 36
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