Arithmetic Sequence

Front

Is the sequence arithmetic? 17, 9, 1, -7, ...

Back

Yes

Front

Find the common difference: -34, -29, -24, -19, ...

Back

d = 5

Front

Define arithmetic sequences.

Back

A sequence whose terms change by adding the same number each time.

Front

What is a_1 in the following sequence? -6, -14, -22, -30, ...

Back

-6

Front

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

Back

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

Front

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

Back

a_n = a_1 + (n-1)d

Front

If the first term a_1 is 5 and the common difference d is 3, what is the 10th term?

Back

a_{10} = 5 + (10-1)3 = 32

Front

What is the common difference in the sequence: 7, 10, 13, 16, ...?

Back

d = 3

Front

Identify the first term in the sequence: 4, 8, 12, 16, ...

Back

a_1 = 4

Front

Is the sequence 5, 10, 15, 20, ... arithmetic?

Back

Yes, it has a common difference of 5.