Arithmetic Sequences Practice

Which sequence is an arithmetic sequence?

• 3, 6, 2, 7, ...

• 3, 6, 12, 24, ...

• 3, 6, 10, 15, ...

• 3, 7, 11, 15, ...

The first term in an arithmetic sequence is -8 and the common difference is 14.  What is the 28th term given the equation a_n = a₁ + d (n - 1)

• 378

• 1024

• -324

• 370

The next term of the series 11,8,5,2 is...

• -1

• -2

• 1

• 2

Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence.

• a_n = 29-4(n-1)

• a_n = 4+25(n-1)

• a_n = 25-4(n-1)

• a_n = 4n + 25

• 315

• 330

• 345

• 360

Find the 11^th term for:  64, -32, 16, -8, …  

• -.0625

• .0625

• -.03125

• .03125

Find the nth term of the following sequence

7, 9, 11, 13, 15

Find the values of a in the following arithmetic sequence

5, 9, a, 17, 21

Find the values of a in the following arithmetic sequence

1, 6, a, 16, 21

Find the nth term of the following sequence

5, 11, 17, 23, 29

• n + 6

• n - 1

• 6n - 1

• 6n + 1