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21 August, 00:45

What is the equation for an arithmetic sequence with a first term of 8 and a second term of 5? an = 8 - 5 (n - 1) an = 8 + 5 (n - 1) an = 8 - 3 (n - 1) an = 8 + 3 (n - 1)

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  1. 21 August, 01:55
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    an = a1+d (n-1)

    where d is the common difference

    d=5-8

    d=-3

    a1=8

    an = 8-3 (n-1)

    Choice C
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