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21 February, 09:24

Indentify the common ratio of the following sequence 5,-15,45

+3
Answers (2)
  1. 21 February, 11:23
    0
    The Answer is 1:-3:9
  2. 21 February, 12:15
    0
    -3

    We obtain the common ratio for a sequence by dividing one term by the one before it. If there’s a common ratio, all of the quotients should be the same. In this case:

    -15/3 = 45/-15 = - 3
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