Arithmetic Sequence

What are the missing terms in 3, 7, 11, __, 19, __,...?

• 14 and 23

• 15 and 23

• 16 and 23

• 15 and 24

What is the next three terms of 2, 5, 8, _, _, _, ...?

• 9, 10, 11

• 10, 13, 16

• 11, 14, 17

• 12, 16, 20

What is the common difference of -10, - 5, 0, 5, 10...?

• 5

• -5

• 10

• -10

If the common difference is 5 and the first term is 5, what is the third term?

• 10

• 15

• 15

• 20

Supply the missing term: 9, 6, 3, _, _, _.

• 3, 0, -3

• 0, -3, -6

• 0, 3, 6

• -3, -6, -9

What is the general rule of 2, 4, 6, 8, 10,...?

• a_n = n

• a_n = 2n

• a_n = n + 1

• a_n = n + 2

What is the first 5 terms of the pattern described by a_n = n²?

• 1, 2, 3, 4, 5

• 1, 2, 4, 8, 16

• 1, 4, 9, 16, 25

• 4, 9, 16, 25,36

Which of the following is NOT TRUE about arithmetic sequence?

• A pattern where the next term is obtained by adding a constant.

• A pattern where the next term is obtained by multiplying a constant.

• The formula a_n = a₁ + (n - 1) d can define any arithmetic sequence.

• It has a common difference.

Which of the following is an arithmetic sequence?

• -7, -9, -12, -16, -21, ...

• 1, -3, -7, -11, -15, ...

• 2, 4, 6, 10, 16, ...

• 12, 8, 4, 0, 4, ...

What are the first and last term of an arithmetic sequence when its arithmetic means are 6, 1, and -4?

• 11 and -9

• 11 and 9

• -9 and 11

• 9 and -11