Arithmetic Sequences Quiz

What is the common difference in the sequence: 4, 6, 8, 10?

• 2

• 4

• 1

• 3

Which of the following sequences has a common difference of -2?

• 3, 5, 7, 9

• -4, -6, -8, -10

• 1, 4, 7, 10

• 10, 8, 6, 4

What does 'a sub 1' represent in the formula for the nth term of an arithmetic sequence?

• The first term

• The nth term

• The common difference

• The last term

In the sequence 1, 10, 19, 28, what is the common difference?

• 10

• 7

• 8

• 9

How do you find the nth term of a sequence if the first term is 13 and the common difference is -3?

• a sub n = 13n + 3

• a sub n = 13n - 3

• a sub n = 13 + 3n

• a sub n = 13 - 3n

What is the 100th term of the sequence 5, 7, 9, 11, 13?

• 230

• 207

• 205

• 203

If the nth term of a sequence is given by a sub n = 2n + 3, what is the 22nd term?

• 49

• 47

• 55

• 51

How would you find which term of the sequence 5, 7, 9, 11, 13 is equal to 97?

• Use the nth term formula

• Guess and check

• Count manually

• Use a calculator

If a sub n = 2n + 3, which term of the sequence is 172?

• 20th

• 23rd

• 21st

• 22nd

In the sequence 5, 7, 9, 11, 13, which term is -29?

• 25th

• 20th

• 15th

• Not possible