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22 February, 15:56

Identify, describe, and extend each pattern. 64,55,46,37,28,19

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  1. 22 February, 16:06
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    To identify the pattern you use formula: a_n=a_1+d (n-1)

    d=-9

    Subsitute the value for a_1=64 and d=-9

    a_n=64 + (-9) (n-1)

    simplify each term

    a_n=64 + (-9n+9)

    Simplify the expression

    a_n=-9n+73
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