Introduction to Arithmetic Sequences

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

• True

• False

A sequence where every term after the first term is obtained by adding a constant to a previous term.

• Arithmetic sequence

• Geometric sequence

• Harmonic sequence

• Fibonacci sequence

What do you call a set of numbers written in a special order by the application of a definite rule?

• Pattern

• Sequence

• Function

• Terms

What are the next two terms of the sequence 8, 2, -4, …?

• -8, -12

• 10, 16

• -10, -16

• -6, -8

7, 11, 15, 19, ...

• Finite

• Infinite

Which is true int he number pattern 3, 10, 17, 24, 31, 38?

• The next term is obtained by adding 7.

• The next term is obtained by subtracting 7.

• The next term is obtained by multiplying 7.

• The next term is obtained by dividing 7.

What is the nth term in the sequence 8, 11, 14, 17, ...

• a_n = 3n

• a_n = 3ⁿ

• a_n = 3n + 5

• a_n = 3n - 5

Which of the following is always true for an ARITHMETIC SEQUENCE?

• You add or subtract by the same number

• You multiply or divide by the same number

Arithmetic, geometric, or neither?

4, 9, 14, 19, ...

• Arithmetic

• Geometric

• Neither

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

• 18, 22, 26

• 19, 21, 23

• 19, 23, 27

• 18, 21, 24