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5 August, 22:55

which equation represents the geometric sequence? 3, 9, 27, 81, ... A. next=now •3 B. now=next •3 C. next=now • (1/3) D. now=next •9

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Answers (2)
  1. 5 August, 23:24
    0
    A

    Step-by-step explanation:

    3,9,27,81 ...

    This is geometric sequence.

    Common ratio = 2nd term / 1st term = 27/9 = 3

    So, the next term is obtained by multiplying the current number by 3

    Next = now * 3
  2. 6 August, 01:25
    0
    answer A. next=now •3

    Step-by-step explanation:

    Looking at the sequence 3, 9, 27, 81, you "see" a that each next number is formed by multiplying the current

    number by 3. This is exactly what is stated in answer A. next=now •3

    EXTRA:

    Mathematically, the function llooks ike f (x) = 3"
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