Grade 10 Periodical Test (Review)

What is the next term in the sequence: 3, 6, 9, 12, ___?

• 13

• 14

• 15

• 16

What is the common difference in the sequence: 7, 10, 13, 16, …?

• 2

• 3

• 4

• 5

What is the 10th term of the arithmetic sequence: 2, 5, 8, …?

• 26

• 27

• 28

• 29

What is the sum of the first 15 terms of the sequence: 4, 8, 12, …?

• 900

• 840

• 720

• 660

Which of the following is a geometric sequence?

• 2, 4, 6, 8

• 3, 6, 12, 24

• 5, 10, 15, 20

• 1, 2, 3, 4

What is the common ratio in the sequence: 2, 6, 18, 54, …?

• 2

• 3

• 4

• 5

What is the 5th term of the geometric sequence: 1, 2, 4, 8, …?

• 16

• 32

• 64

• 128

What is the sum of the first 6 terms of the geometric sequence: 1, 2, 4, …?

• 63

• 62

• 60

• 64

Which formula represents the nth term of an arithmetic sequence?

What is the arithmetic mean between 12 and 20?

• 14

• 15

• 16

• 17