Geometric and Arithmetic Sequences

Geometric and Arithmetic Sequences

9th Grade

15 Qs

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Geometric and Arithmetic Sequences

Geometric and Arithmetic Sequences

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the common ratio: 5, 25, 125, 625...

25

20

5

4

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which sequence is an arithmetic sequence?

3, 6, 2, 7, ...

3, 6, 12, 24, ...

3, 6, 10, 15, ...

3, 7, 11, 15, ...

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 (7th term) ?

-13

-11

-18

-22

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Create the explicit formula for the arithmetic sequence: 2, 8, 14, ... (Hint:  Write your formula and then simplify it.)

an=2+6n

an=-6+6n

an=6n-4

an=4-6n

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a5 (5th term) in the sequence defined as follows? an = 5 ⋅ 2(n-1) 

a5 = 160

a5 = 40

a5 = 10

a5 = 80

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

un = 2(11)n-1

un = 11(2)

un = 11(2)n-1

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the 38th term of this arithmetic sequence? {26, 22, 18, 14, ... }

-4

10

-122

174

Tags

CCSS.HSF.BF.A.2

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