Free Printable Unit 8 Review

1.

A sequence of numbers that have a common difference is an

a)

Arithmetic Sequence

b)

Geometric Sequence

c)

Arithmetic Series

d)

Geometric Series

2.

Find the common difference of the sequence.
$3,8,13,18,23,28,33$

a)

d=3

b)

d=5

c)

d=6

d)

d=7

3.

Given an arithmetic sequence, which formula helps find the next term?

a)

Explicit $a_n=a_1+\left(n-1\right)d$

b)

Explicit $a_n=a_{n-1}+d$

c)

Recursive $a_n=a_1+\left(n-1\right)d$

d)

Recursive $a_n=a_{n-1}+d$

4.

Given an arithmetic sequence, which formula helps find any term?

a)

Explicit $a_n=a_1+\left(n-1\right)d$

b)

Explicit $a_n=a_{n-1}+d$

c)

Recursive $a_n=a_1+\left(n-1\right)d$

d)

Recursive $a_n=a_{n-1}+d$

5.

The explicit formula for arithmetic sequences could also be written as

a)

$a_n=a_{n-1}+d$

b)

$a_n=dn+a_1$

c)

$a_n=\left(n-1\right)d$

d)

$a_n=dn+a_0$

6.

Find $a_5$ of the given sequence.
$3,8,13,18,23,28,33$

a)

5

b)

3

c)

18

d)

23

7.

Find $a_{50}$ of the given sequence.
$3,8,13,18,23,28,33$

a)

248

b)

250

c)

253

d)

50

8.

A sequence of numbers that have a common ratio is an

a)

Arithmetic Sequence

b)

Geometric Sequence

c)

Arithmetic Series

d)

Geometric Series

9.

Find the common ratio of the sequence.
$6,-12,24,-48,96$

a)

r=6

b)

r=5

c)

r= -2

d)

r=2

10.

Given a geometric sequence, which formula helps find the next term?

a)

Explicit $a_n=a_1\cdot r^{n-1}$

b)

Explicit $a_n=a_{n-1}\cdot r$

c)

Recursive $a_n=a_1\cdot r^{n-1}$

d)

Recursive $a_n=a_{n-1}\cdot r$

11.

Given a geometric sequence, which formula helps find any term?

a)

Explicit $a_n=a_1\cdot r^{n-1}$

b)

Explicit $a_n=a_{n-1}\cdot r$

c)

Recursive $a_n=a_1\cdot r^{n-1}$

d)

Recursive $a_n=a_{n-1}\cdot r$

12.

Determine if the sequence is arithmetic, geometric, or neither. $60,50,40,30,20,10$

a)

Arithmetic

b)

Geometric

c)

Neither

13.

Determine if the sequence is arithmetic, geometric, or neither.
$4,16,36,64,100$

a)

Arithmetic

b)

Geometric

c)

Neither

14.

Determine if the sequence is arithmetic, geometric, or neither.
$48,24,12,6,3$

a)

Arithmetic

b)

Geometric

c)

Neither

15.

$n$ is the

a)

Number of terms

b)

n=1

c)

First Term

d)

Nth Term

16.

$a_1$ is the

a)

Next Term

b)

Nth Term

c)

First Term

d)

Last Term

17.

$a_n$ is the

a)

Next Term

b)

Value of the Nth Term

c)

First Term

d)

Number of terms

Unit 8 Review

Total questions: 17

Worksheet time: 9mins

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