travionadural01 travionadural01
  • 22-06-2020
  • Mathematics
contestada

Which sequences are geometric? Check all that apply.
O 1,5, 25, 125, ...
3, 6, 9, 12,...
3, 6, 12, 24, ...
3, 9, 81, 6, 561, ...
10, 20, 40, 60, ...

Respuesta :

mhanifa
mhanifa mhanifa
  • 22-06-2020

Answer:

1, 5, 25, 125, ...

3, 6, 12, 24, ...

Step-by-step explanation:

  • a geometric progression is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio

1, 5, 25, 125, ...

  • yes, the common ratio is 5

3, 6, 9, 12,...

  • no

3, 6, 12, 24, ...

  • yes, the common ratio is 2

3, 9, 81, 6, 561, ...

  • no

10, 20, 40, 60, ...

  • no
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