Math Quiz - Sequences and Series

What is the next number in this sequence 2, 8, 32, …?

• 120

• 122

• 128

• 130

What are the first four terms of the sequence an = 2n - 1?

• 1, 3, 5, 7

• 1, 4, 9, 16

• 1, 2, 4, 8

• 1, 1, 3, 5

Which of the following equations describes the sequence 1, 4, 9, 16, …?

• y = 2x- 1

• y = x2

• y = x2

• y = x + 3

What is the common difference of the given arithmetic sequence 2, 11, 20, 29, …?

• 8

• 7

• 9

• 10

Which of the following sequences are arithmetic?

• ii and iii

• i and iii only

• i and ii

• iii and iv

What are the first six terms of the arithmetic sequence from the given data, a1 = 15 and d = 3?

• 11, 15, 18, 21, 24, 27

• 15, 18, 21, 24, 27

• 12, 14, 16, 18, 20, 22

• 11, 13, 15, 18, 21, 24

If three arithmetic means are inserted between 7 and -9, find the second arithmetic mean.

• -1

• 0

• 1

• 4

What is the nth term of the arithmetic sequence 6, 9, 12, 15.…?

• an = 3n + 4

• an = 3n + 3

• an = n + 4

• an = 4n - 2

What is the sum of all the odd integers between 6 and 22?

• 104

• 108

• 110

• 112

What is the sum of the first 20 terms of the series 17 +22 + 27 +…?

• 1190

• 1290

• 1300

• 1309