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Alexeev081 [22]
3 years ago
13

What is the common ratio for this geometric sequence?

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
8 0

Answer:

The common ratio is 1/3.

Step-by-step explanation:

Divide each term after the first by the previous one.

9/27 = 1/3

also 3/9 = 1/3 and 3 / 3 = 1/3.

Anastasy [175]3 years ago
3 0

Answer:

<h2>A. 1/3</h2>

Step-by-step explanation:

\text{The common ratio of a geometric sequence}\ a_n:\\\\r=\dfrac{a_{n+1}}{a_n}\\\\\text{We divide next term by the previous one.}\\\\r=\dfrac{9}{27}=\dfrac{9:9}{27:9}=\dfrac{1}{3}\\\\r=\dfrac{3}{9}=\dfrac{3:3}{9:3}=\dfrac{1}{3}\\\\r=\dfrac{1}{3}\\\vdots

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