Sequence

What is the missing term in the arithmetic sequence 2, 4, 6, _, 10, 12?

• 3

• 5

• 7

• 8

What is the missing term in the arithmetic sequence 4, _, 14, 19, 24, …?

• 5

• 9

• 10

• 11

What is the missing term in the arithmetic sequence 12, 24, 36, _, 60, 72, …?

• 58

• 54

• 50

• 48

What is the missing term in the arithmetic sequence _,10, 15, 20, 25, …?

• $\frac{1}{5}$

• $\frac{3}{5}$

• 5

• 6

What is the missing term in the arithmetic sequence 7, 10, 13, 16, 19, ____, 25?

• 20

• 21

• 22

• 23

Which of the following is the nth term of 3, 4, 5, 6, 7, …?

• a_n = -n + 3

• a_n = n + 2

• a_n = 3n

• a_n = 3n + 1

Which of the following is the nth term of 1, 3, 5, 7, 9, …?

• a_n = -n + 2

• a_n = 3n

• a_n = n + 2

• a_n = 2n - 1

Which of the following is the nth term of 4, 5, 6, 7, 8, …?

• a_n = -n + 3

• a_n = n + 3

• a_n = 4n

• a_n = 4n + 1

Which of the following is the nth term of -1, 1, -1, 1, -1, …?

• a_n = n

• a_n = -n

• a_n = n^-1

• a_n = (-1)ⁿ

Which of the following is the nth term of 2, 4, 8, 16, 32, …?

• a_n = n+2

• a_n = 2n

• a_n = n²

• a_n = 2ⁿ