xarialc6 xarialc6

02-07-2021
Mathematics

contestada

What is the common ratio of the sequence? -2, 6, -18, 54,...
a.-3
b.-2
c.3
d.8

Respuesta :

reinhard10158 reinhard10158

09-07-2021

Answer:

a. -3

Step-by-step explanation:

-2 turns into 6 by multiplying it by -3.

the same from 6 to -18, from -18 to 54, ...

so, an/an+1 = -3

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