Mastering Arithmetic Sequences

What is the common difference in the sequence 3, 7, 11, 15?

• 4

• 8

• 6

• 2

Identify if the sequence 5, 10, 15, 20 is arithmetic.

• Yes, the sequence is arithmetic.

• The sequence is geometric.

• No, the sequence is not arithmetic.

• The sequence has a common ratio.

What is the 10th term of the arithmetic sequence 2, 5, 8, 11?

• 32

• 26

• 29

• 35

Find the first term of the arithmetic sequence where the 5th term is 20 and the common difference is 3.

• 5

• 12

• 8

• 15

If the first term of an arithmetic sequence is 4 and the common difference is 2, what is the 6th term?

• 16

• 14

• 12

• 10

Determine the common difference of the sequence 12, 9, 6, 3.

• 3

• 0

• -6

• -3

Is the sequence 1, 4, 9, 16 an arithmetic sequence? Why or why not?

• Yes, it has a common difference.

• No, it is not an arithmetic sequence.

• No, it is a geometric sequence.

• Yes, the difference is 3.

What is the 15th term of the arithmetic sequence defined by the formula a_n = 3n + 2?

• 45

• 47

• 40

• 50

If the 3rd term of an arithmetic sequence is 12 and the common difference is 4, what is the first term?

• 6

• 4

• 10

• 8

Calculate the sum of the first 5 terms of the arithmetic sequence 1, 3, 5, 7, 9.

• 25

• 15

• 30

• 20