Geometric Sequence and Means

Geometric Sequence and Means

10th Grade

12 Qs

quiz-placeholder

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Geometric Sequence and Means

Geometric Sequence and Means

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Anthony Clark

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the explicit formula for the following geometric sequence: 100, 50, 25, 12.5, ...

an = 2(100)n-1

an = 100(2)n-1

an = 100(1/2)n-1

an = (1/2)(100)n-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the 9th term in the following geometric sequence:

4, 8, 16, 32, ...

384

512

768

1,024

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find a12 in the following geometric sequence:

-1, -3, -9, -27, ...

-177,147

-19,683

-59,049

118,098

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find a11 in the following geometric sequence:

-4,096

-1/256

-3,072

-236,196

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the common ratio of the following geometric sequence:

2, -10, 50, -250, ...

r = -5

r = 3

r = 5

r = -3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the 6th term of the following geometric sequence:

2, 8, 32, 128, ...

8192

2048

512

128

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Insert three geometric means between 3 and 243.

9,27,81

81,27,9

81,27,3

9,18,27

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