Arithmetic Versus Geometric

2, 5, 8, 11,...

• Arithmetic

• Geometric

• Neither

−2, −10, −50, −250, ...

• Arithmetic

• Geometric

• Neither

−9, −109, −209, −309, ...

• Arithmetic

• Geometric

• Neither

1, 1/2 , 0, −1/2 , ...

• Arithmetic

• Geometric

• Neither

−1, −5, −25, −125, ...

• Arithmetic

• Geometric

• Neither

−3, −1, −1/3 , −1/9, ...

• Arithmetic

• Geometric

• Neither

4, 12, 36, 108, ...

• Arithmetic

• Geometric

• Neither

Is the sequence geometric or arithmetic?
6, 18, 54...

• Arithmetic

• Geometric

• Neither

Is the sequence arithmetic, geometric, or neither:

17, 9, 1, -7, ...

• Arithmetic

• Geometric

• Neither

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

• arithmetic

• geometric

• neither