Math Algebra 1-7 Test

arithmetic sequence

• a set of numbers where the difference is the same between any two consecutive terms

• the difference between any two consecutive terms of an arithmetic sequence

• a list of numbers

• None of these

common difference

• the difference between any two consecutive terms of an arithmetic sequence

• a list of numbers

• none of these

• a set of numbers where the difference is the same between any two consecutive terms

sequence

• a list of numbers

• the difference between any two consecutive terms of an arithmetic sequence

• a set of numbers where the difference is the same between any two consecutive terms

• None of these

Which of the following sequences is not arithmetic?

• 1, 2, 3, 4, ...

• 2, 4, 6, 8, ...

• 0, -2, -4, -6, ...

• 1, 4, 9, 16, ...

Which of the following represents an arithmetic sequence?

• The temperature rises one degree the first hour, 2 degrees the second hour, 4 degrees the third, and so on.

• The temperature rises two degrees the first hour, another two degrees the second hour, and so on.

• The temperature rises by one degree the first hour and then falls two degrees the second hour.

• The temperature rises and falls at different rates during the day.

A sequence has a second term of 1 and a common difference of -3.

The fifth term of the sequence is _____.

• -11

• -8

• -5

• 10

The seventh term of the sequence -2, -6, -10, -14, ... is _____.

• -24

• -26

• -22

• -20

What are the next three terms in the sequence 4, -1, -6, -11, ...?

• -16, -21, -26

• -14, -21, -26

• -14, -17, -20

• -18, -25, -32

Which of the following expressions would give a sequence with a first term of 2 and a common difference of 5?

• 2n - 5

• 2 - 5n

• 5n - 3

• 5n + 2

If n is a term of the sequence 2, 5, 8, 11, ..., which expression would give the value of n?

• 2n + 1

• 2n - 1

• 3n - 1

• n + 3