Arithmetic or Geometric

Choose all the patterns from the image above that are Arithmetic Sequences

Answer explanation

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

• $50

• $35

• $320

• $250

The next two terms of the sequence 4, 7, 10, 13 are ....

• 16 and 19

• 15 and 19

• 16 and 18

• 15 and 18

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

• 25

• 20

• 5

• 4

What is the 8th term in the geometric sequence below?

• 19,683

• 6,561

• 2,187

• 729

Which sequence is an arithmetic sequence?

• 3, 6, 2, 7, ...

• 3, 6, 12, 24, ...

• 3, 6, 10, 15, ...

• 3, 7, 11, 15, ...

This is an arithmetic sequence. 5, 2, –1, –4, . . .

What is the 7th term (a₇ )?

• -13

• -11

• -18

• -22

What is the common ratio of this geometric sequence?

500, 200, 80, 32, ...

• -5/2

• -2/5

• 2/5

• 5/2

Which sequence is a geometric sequence with a common ratio of 2?

• 5, 3, 1, -1, ...

• 5, 7, 9, 11, ...

• 5, 10, 20, 40, ...

• 5, 15, 45, 135, ...

Which of the following best describes this sequence?
\left\{2,\ -4,\ \ 8,\ -16,\ 32,\ ...\right\}

• Arithmetic

• Geometric

• Neither

• Both