Geometric Sequences

Geometric Sequences

9th Grade

14 Qs

quiz-placeholder

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Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Determine whether the sequence is arithmetic, geometric, or neither.

arithmetic

geometric

neither

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the common ratio for the geometric sequence.

1

-1

7

-7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

r = -8

r = -1/4

r = -4

r = 4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the common ratio for the geometric sequence.

-4

4

1/4

-1/4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the explicit formula for the following geometric sequence: 10, 20, 40, 80, ...

an = 10(2)n-1

an = 2(10)n-1

an = 10(2)n

an = 2(10)n

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the explicit formula for the following geometric sequence: 3, -12, 48, -192, ...

an = 4(3)n-1

an = 3(4)n-1

an = -4(3)n-1

an = 3(-4)n-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find a11 in the following geometric sequence:

-4,096

-1/256

-3,072

-236,196

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