Arithmetic Sequences Quiz

What is an arithmetic sequence?

• A sequence where each term is multiplied by a constant

• A sequence where each term is added by a constant

• A sequence that has no pattern

• A sequence that alternates between two numbers

What is the common difference in the sequence 5, 10, 15, 20, 25?

• 5

• 15

• 10

• 2

What number comes next in the sequence 5, 10, 15, 20, 25?

• 40

• 35

• 25

• 30

If the first term of an arithmetic sequence is 3 and the common difference is 4, what is the second term?

• 8

• 7

• 5

• 6

Which of the following is NOT an arithmetic sequence?

• 1, 3, 5, 7

• 10, 20, 30, 40

• 2, 4, 6, 8

• 1, 2, 4, 8

What is the formula for the nth term of an arithmetic sequence?

• a(n) = a(1) * n

• a(n) = n^2 + a(1)

• a(n )= a(1) - (n-1)d

• a(n) = a(1) + (n-1)d

In the sequence 7, 14, 21, what is the common difference?

• 5

• 7

• 3

• 6

How do you extend (continue) an arithmetic sequence?

• By dividing the last term by the common difference

• By subtracting the common difference from the last term

• By multiplying the last term by the common difference

• By adding the common difference to the last term

What is the 5th term in the arithmetic sequence 2, 5, 8, 11?

• 14

• 15

• 13

• 16

Which of the following sequences is an example of an arithmetic sequence?

• 1, 2, 3, 4

• 2, 4, 8, 16

• 5, 10, 20, 40

• 3, 6, 12, 24