Which best describes the relationship between the successive terms in the sequence below?

Question

–3.2, 4.8, –7.2, 10.8, …

The terms have a common difference of 8.
The terms have a common difference of 1.6.
The terms have a common ratio of –1.5.
The terms have a common ratio of –0.67.

Answer 1

The relationship between the successive terms in the sequence is that they have a common difference of 8.

So the correct answer is:
The terms have a common difference of 8.