Geometric Sequences Mastery Check
Determine the common ratio of the sequence.
1/3,  2,  12,  72, ...
Common ratio = 
Determine the next term in the sequence.
1/3,  2,  12,  72, ...
Next term: 
Determine the common ratio of the sequence.
Common Ratio:
486, 162, 54...
Determine the next three terms in the sequence.
Next thee terms:
486, 162, 54...
The first four terms of a geometric sequence are shown.
Common Ratio:
Next two terms*: 
First Term:
4,  12,  36, 108, ...
Write an expression for the nth term of the sequence.
The first four terms of a geometric sequence are shown.
The formula for the nth term of a geometric sequence is:
an =
an = a1 (r)n-1
4,  12,  36, 108, ...
(
)
Find the 10th term of the sequence.
A geometric sequence is shown.
The formula for the nth term of a geometric sequence is:
a10 =
an = a1 (r)n-1
4,  12,  36, 108, ...
Do not use a comma.
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