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anonymous

  • one year ago

What is the common ratio between successive terms in the sequence? 27, 9, 3, 1,1/3 , 1/9, 1/27, ... A. –3 B. –1/3 C. 1/3 D. 3

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  1. phi
    • one year ago
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    the are asking what do you multiply 27 by to get 9? 27 * x = 9 where x is the unknown number if you divide both sides by 27 you get x= 9/27 you can simplify that fraction to get the answer.

  2. phi
    • one year ago
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    or what do you multiply 9 by to get 3? or what do you multiply 3 by to get 1 ?

  3. anonymous
    • one year ago
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    3 right? @phi

  4. phi
    • one year ago
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    are you saying 27*3 = 9 ?

  5. DanJS
    • one year ago
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    common ratio of a geometric series r, the ratio of (n+1)/n term

  6. DanJS
    • one year ago
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    every term divided by the previous term should give you the same number as the common ratio

  7. DanJS
    • one year ago
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    9 / 27 3 / 9 1/3 .....

  8. DanJS
    • one year ago
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    all successive have common ratio r = 1/3

  9. anonymous
    • one year ago
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    thank you @DanJS

  10. Jaynator495
    • one year ago
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