Algebraic vs Geometric Sequences

What kind of sequence?

400, 200, 100, 50, 25, ...

• Arithmetic

• Geometric

What kind of sequence?

• arithmetic

• geometric

What kind of sequence?

• Arithmetic

• Geometric

What kind of sequence?

-4, 12, -36, 108, …

• arithmetic

• geometric

• Arithmetic

• Geometric

Answer explanation

Percentages are almost always Geometric.

What kind of sequence?

25, 125, 625, …

• arithmetic

• geometric

Carey is organizing her books and putting them on shelves. She put 2 books on the first shelf, 8 books on the second shelf, 32 books on the third shelf, and 128 books on the fourth shelf. What kind of sequence is this?

• Geometric

• Arithmetic

• Both

• Neither

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

• Arithmetic

• Geometric

• Neither

For each sequence, state if it is arithmetic, geometric, or neither.
−34, −26, −18, −10, −2, ... 

• Arithmetic

• Geometric

• Neither

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric