Arithmetic Sequences

Which term in the sequences below is the first to be greater than 250?

• 9, 13, 17, 21, ... ...

• 2, 10, 18, 26, ... ...

• 1, 7, 13, 19, ... ...

Find the values of a in the following arithmetic sequence

5, 9, a, 17, 21

What is the 50 term in the sequence 1, 7, 13, 19 …?

Calculate the difference between the 10th term and 50th term of the sequence 9, 14, 19, 24, ... ...

Which of the following sequence is an arithmetic sequence?

• 5, 12, 21, 32, 45, . . .

• 3, 6, 12, 24, 48, . . .

• –8, –5, –2, 1, 4, . . .

• 12, 7, 11, 6, 10, 5, . . .

3, 5, 7, ... is an arithmetic sequence

• True

• False

24, 15, 6, ... is an arithmetic sequence

• True

• False

Find the 59th term of the arithmetic sequence 26, 17, 8, ...

Find the 63rd term of the arithmetic sequence -1, 5, 11, ...

What is the common difference of the given arithmetic sequence: –2, 5, 12, 19, 26, . . . ?

• –2   

• 3

• 5

• 7