Geometric vs Arithmetic

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric

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

• Arithmetic

• Geometric

• Neither

Is the sequence-4, -12, -36, -108,... arithmetic geometric, or neither?

• arithmetic

• geometric

• neither

Does the following table represent a geometric sequence or an arithmetic? Explain 

• geometric, it has a constant rate

• geometric, it has a constant percentage

• arithmetic, it has a constant rate

• arithmetic, it has a constant percentage

What is the recursive form for the following sequence
3, 15, 75, 375, 1875...

• a_n= 5*a_n-1

• a_n= (1/5)*a_n-1

• a_n= a_n-1+5

• a_n= a_n-1 - 5 

Is the following sequence arithmetic, geometric, or neither?

30, 15, 7.5, ...

• Arithmetic

• Geometric

• Neither

Is the following sequence arithmetic, geometric, or neither?

40, 43, 46, ...

• Arithmetic

• Geometric

• Neither

Is the following sequence arithmetic, geometric, or neither?

• Arithmetic

• Geometric

• Neither

Is the following sequence arithmetic, geometric, or neither?

-3, 2, 7, ...

• Arithmetic

• Geometric

• Neither

Is the following sequence arithmetic, geometric, or neither?

13, 9, 5, ...

• Arithmetic

• Geometric

• Neither