Quiz about Arithmetic and Geometric Sequences

Question 1

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

Accepted Answer

Arithmetic

Answer

Geometric

Answer

Neither

Question 2

Is this sequence Arithmetic, Geometric, or Neither?
{2, 9, 7, 14, 12, 19, ... }

Accepted Answer

Neither

Answer

Arithmetic

Answer

Geometric

Question 3

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

Accepted Answer

-122

Answer

-4

Answer

10

Answer

174

Question 4

What is the common ratio of this sequence?
{2, 10, 50, 250, ... }

Accepted Answer

5

Answer

1,250

Answer

10

Answer

50

Question 5

What is the common difference in this sequence?
{48, 32, 16, 0, ... }

Accepted Answer

-16

Answer

1/2

Answer

2

Answer

-8

Question 6

Is this sequence Arithmetic, Geometric, or Neither?
{14, 22, 30, 38, .. }

Accepted Answer

Arithmetic

Answer

Geometric

Answer

Neither

Question 7

Find the 10th term of this sequence:
{96, 48, 24, 12, ... }

Accepted Answer

3/16

Answer

1/2

Answer

6

Answer

3

Question 8

What is the common ratio in this sequence?
{96, 48, 24, 12, ... }

Accepted Answer

1/2

Answer

2

Answer

12

Answer

24

Question 9

An auditorium has 80 rows of seats and the number of seats per row increases at a constant rate.  If there are 32 seats in the 8th row, and 68 seats in the 20th row, how many seats are in the last row?

Accepted Answer

248

Answer

240

Answer

272

Answer

320

Question 10

Which lists four consecutive terms of an arithmetic sequence?

Accepted Answer

3, 10, 17, 24, ...

Answer

1, 4, 9, 16, ...

Answer

1, 2, 4, 8, ...

Answer

-5, 6, 10, 13, ...

Question 11

What are the first three terms of the sequence defined by the following equation?
a_n = 7 + (n - 1)5

Accepted Answer

7, 12, 17

Answer

7, 35, 175

Answer

7, 2, -3

Answer

12, 17, 22

Arithmetic and Geometric Sequences

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