Test : Arithmetic Sequences

Front

What is a₁ in the following sequence? -6, -14, -22, -30, ...

Back

-6

Front

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

Back

3, 12, 21

Front

Find the 38th term of the arithmetic sequence: 12, 15, 18, 21, ...?

Back

123

Front

Arithmetic sequences are:

Back

linear

Front

Find the common difference of the sequence: 2, 5, 8, 11, ...

Back

d = 3

Front

Define an arithmetic sequence.

Back

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

a_n = a₁ + (n-1)d, where d is the common difference.

Front

If the first term of an arithmetic sequence is 5 and the common difference is 2, what is the 10th term?

Back

The 10th term is 23.

Front

What is the common difference in the sequence: 10, 15, 20, 25, ...?

Back

d = 5

Front

How do you find the common difference in an arithmetic sequence?

Back

Subtract the first term from the second term.