kaydinfoxx
kaydinfoxx kaydinfoxx
  • 16-10-2016
  • Mathematics
contestada

Find the common ratio for the following sequence.

1/2, -1/4, 1/8, -1/16, ...

A. -2
B. -1/2
C. 1/2
D. 2

Respuesta :

Аноним Аноним
  • 16-10-2016
common ratio = an-a(n-1)=a₂-a₁
Data:
a₁=1/2
a₂=-1/4

commo ratio=(-1/4) / (1/2)=-2/4=-1/2

Answer: B.  -1/2
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