Consider the sequence: 7, 64, 121, 178, 235, … where u, = 7 a. State whether it is arithmetic or geometric. Show how you k

Question

Consider the sequence: 7, 64, 121, 178, 235, … where u, = 7
a.
State whether it is arithmetic or geometric. Show how you know.​

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Kinsley 2 months 2021-10-15T06:40:23+00:00 1 Answer 0 views 0

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    2021-10-15T06:42:00+00:00

    Answer:

    It is an arithmetic sequence.

    Step-by-step explanation:

    64 – 7 = 57

    121 – 64 = 57

    178 – 121 = 57

    We have a common difference of 57, so it is arithmetic.

    The explicit formula for the nth term

    = 7  +57(n – 1).

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