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13 March, 14:15

Write an equation for the nth term of the arithmetic sequence. Then find a 10

-5,-4,-3,-2 ...

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  1. 13 March, 14:45
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    An=a1+d (n-1)

    a1=first term

    an=nth term

    d=common dffernce

    given

    first term is - 5

    it increases by 1

    an=-5+1 (n-1)

    a10

    a10=-5+1 (10-1)

    a10=-5+1 (9)

    a10=-5+9

    a10=4

    10th term or a10 is 4
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