Geometric & Arithmetic Sequences

Geometric & Arithmetic Sequences

9th Grade

15 Qs

quiz-placeholder

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Geometric & Arithmetic Sequences

Geometric & Arithmetic Sequences

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF.BF.A.2, HSF.LE.A.2

Standards-aligned

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

25

20

5

4

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the 8th term in the geometric sequence below?

19,683

6,561

2,187

729

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This is an arithmetic sequence. 5, 2, –1, –4, . . .

What is a7 ?

-13

-11

-18

-22

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the common ratio of this geometric sequence?

-5/2

-2/5

2/5

5/2

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which sequence is a geometric sequence with a common ratio of 2?

5, 3, 1, -1, ...

5, 7, 9, 11, ...

5, 10, 20, 40, ...

5, 15, 45, 135, ...

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a geometric sequence, a1 = 486 and a2 = 162. What is the explicit formula for this sequence?

an = 2(3)n-1

an = 18(3)n-1

an = 18(1/3)n-1

an = 486(1/3)n-1

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a5 for the sequence below?

an = 5 ⋅ 2(n-1) 

a5 = 160

a5 = 40

a5 = 10

a5 = 80

Tags

CCSS.HSF.BF.A.2

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