hea5l7lyshelcaroldre
hea5l7lyshelcaroldre hea5l7lyshelcaroldre
  • 13-05-2016
  • Mathematics
contestada

What is the common ratio of the sequence?

-2, 6, -18, 54,...

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 13-05-2016
a1=-2
a2=6
a3=-18


the common ratio musbe negative since the signs alternate

it is multiilied by 3 ach time

comon ratio is -3
an=-2(-3)^(n-1)
Answer Link
gymgirlomp gymgirlomp
  • 13-12-2019

Answer:

the common ratio is -3

Step-by-step explanation:

Answer Link

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