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7 February, 21:56

Find an explicit formula for the geometric sequence - 9, - 18, - 36, - 72, ...

c (n) =

+3
Answers (2)
  1. 7 February, 23:38
    0
    -9 x 2^ (n-1)
  2. 8 February, 00:32
    0
    n=-9

    Step-by-step explanation:

    c is the number in the sequence and n is the number you have to multiply by. If the c is 8 you would do - 9 times 8.
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