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Geometric Sequence Quiz

Last updated over 5 years ago
20 questions
1

Find a12 in the sequence -1, -3, -9, -27, ...

1

Find a9 in the sequence 4, 8, 16, 32, ...

1

Find a11 in the sequence -3, 6, -12, 24, ...

1

Find the common ratio: 4, -16, 64, -256, ...

1

Find the common ratio: 64, -16, 4, -1, ...

1

Which formula is used to find the explicit equation for geometric sequences?

1

Which formula is used to find the recursive equation for geometric sequences?

1

What is the recursive rule for the sequence: 11,22,44, 88, ...

1

Given the sequence: 125, 25, 5, ...
Write the explicit rule.

1

Find the general rule for: 64, -32, 16, -8, ...

1

Write an explicit rule for the general term of the sequence 5, 15, 45, ...?

1

Find the 11th term for: 64, -32, 16, -8, ...

1

Which sequence is represented by the equation 2(7)n-1?

1

Is the sequence geometric or arithmetic?
3, 6, 9, 12, ...

1

Is the sequence geometric or arithmetic?
6, 18, 54, ...

1

Is the sequence 9, 99, 999, 9999, ... geometric?

1

What is the 7th term for the rule:
f(n)=3(0.8)n-1

1

What is the explicit rule for the sequence:
11, 22, 44, 88, ...

1

The first term of a geometric sequence is 18 and the common ratio is 3.5. What is the 5th term of the sequence?

1

What is the 10th term of the geometric sequence below?
2, -6, 18, ...