Arithmetic Sequences

Front

What is an arithmetic sequence?

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the formula for the nth term of an arithmetic sequence?

Back

Front

If the first term of an arithmetic sequence is 5 and the common difference is 0.5, what is the 25th term?

Back

The 25th term is 17.

Front

Which of the following sequences is NOT an arithmetic sequence: 12, 18, 24, 30 or 2, 4, 8, 16?

Back

2, 4, 8, 16 is NOT an arithmetic sequence.

Front

What is the common difference in the sequence 10, 3, -4, -11?

Back

The common difference is -7.

Front

True or False: An arithmetic sequence is an example of a linear function.

Back

True, because having a common difference also means it has a constant rate of change.

Front

Write an explicit rule for the sequence 21, 19, 17, 15,...

Back

Front

What is the common difference in the sequence -7, -13, -19, -25?

Back

The common difference is -6.

Front

If the first term of an arithmetic sequence is 23 and the common difference is -2, what is the 10th term?

Back

The 10th term is 5.

Front

Identify the common difference in the sequence 6, 8, 10, 12,...

Back

The common difference is 2.