# Geometric Sequences

## Quiz by Nick Davis

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10 questions
• Q1
Determine if the following a geometric sequence: 5, 15, 45, 135, ...
Yes
No
120s
• Q2
Determine if the following a geometric sequence: -2, 4, -8, -16, ...
No
Yes
120s
• Q3
Determine if the following a geometric sequence: 3, 6, 18, 36, ...
Yes
No
120s
• Q4
Determine if the following a geometric sequence: 10, 20, 30, 40, ...
No
Yes
120s
• Q5
Find the common ratio of the following sequence: 6, 12, 24, 48
2
-2
4
3
120s
• Q6
Find the common ratio of the following sequence: -5, -20, -80, -320, ...
No Common Ratio
4
5
-4
120s
• Q7
Find the common ratio of the following sequence: 9, 18, 54, 108, ...
No Common Ratio
2
-2
3
120s
• Q8
Find the common ratio of the following sequence: -1, 5, -25, 125, ...
5
5
-5
No Common Ratio
120s
• Q9
Find the common ratio of the following sequence: 12, 24, -48, 96
1
2
-2
No Common Ratio
120s
• Q10
Find the common ratio of the following sequence: 1000, 100, 10, 1, ...
10
1/10
1
1/100
120s

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