Mathematics
Grade 9
15 min
Geometric sequences
Geometric sequences
Tutorial Preview
1
Find the common ratio in `2, 6, 18, 54, ...`
2
Find the next term in the sequence `5, 10, 20, ...`
3
Find the 5th term if a sequence starts with 3 and has a common ratio of 4.
Sample Practice Questions
Easy
What is the common ratio of the sequence 1, 5, 25, 125, ...?
0.1
1.4
2.5
3.25
Easy
What is the common ratio of the sequence 10, 20, 40, 80, ...?
0.2
1.10
2.20
3.0.5
Easy
What is the next term in the sequence 3, 12, 48, ...?
0.52
1.144
2.192
3.96
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