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Find the common ratio for this geometric sequence.

0.25, 1.25, 6.25, 31.25, ...
A.
0.20
B.
1
C.
–5
D.
5

Respuesta :

mhanifa

Answer:

  • D) 5

====================

Given

  • GP: 0.25, 1.25, 6.25, 31.25, ...

To find

  • The common ratio of this GP

Solution

The common ratio is the constant factor between consecutive terms, that is:

  • r = 31.25/6.25 = 6.25/1.25 = 1.25/0.25 = 5

Correct choice is D.

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