Geometric Sequences Practice
Determine the common ratio of the sequence.
3,  6,  12,  24,  48, ...
Common ratio = 
Determine the next three terms of the sequence.
Next three terms: 
3,  6,  12,  24,  48, ...
Determine the common ratio of the sequence.
Common Ratio:
625, 125, 25...
Determine the next three terms in the sequence.
Next thee terms:
625, 125, 25...
Determine the common ratio of the sequence.
Common Ratio:
Next two terms*: 
First Term:
2, 10, 50, 250, ...
*Do not use commas
Write an expression for the nth term of the sequence.
A geometric sequence is shown.
The formula for the nth term of a geometric sequence is:
an =
an = a1 (r)n-1
2, 10, 50, 250, ...
(
)
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
2, 10, 50, 250, ...
Determine the missing term in the sequence.
Missing term:
3/4,  ?  12,  48,  ...  
Write an expression for the nth term of the sequence.
A geometric sequence is shown.
an = a1 (r)n-1
an
The formula for the nth term of a geometric sequence is:
3/4,  4,  12,  48,  ...  
(
)
Find the 8th term of the sequence.
A geometric sequence is shown.
The formula for the nth term of a geometric sequence is:
a8 =
an = a1 (r)n-1
3/4,  3,  12,  48,  ...  
The first term of a geometric sequence is 1/2. 
The common ratio is 4.  
Write the first 4 terms of the sequence.
a1
a2
a3
a4
The first term of a geometric sequence is 1/2. 
The common ratio is 4.  
Write a rule for the nth term in the sequence.
an
(
)
The first term of a geometric sequence is 1/2. 
The common ratio is 4. 
An expression for the nth term is:  
a= 1/2(4)n-1 
What is the 10th term in the sequence?
a10
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