Application Arithmetic and Geometric Sequences

Application Arithmetic and Geometric Sequences

9th Grade

15 Qs

quiz-placeholder

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Application Arithmetic and Geometric Sequences

Application Arithmetic and Geometric Sequences

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

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

2.

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

3.

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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

$50

$35

$320

$250

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

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

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

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