Answer:
The terms have a common ratio of - 1.5
Explanation:
4.8 - ( - 3.2 )
= 4.8 + 3.2
= 8
- 7.2 - 4.8
= - 12
Common difference is not same.
4.8 / - 3.2
= - 4.8 / 3.2
= ( - 4.8 / 16 ) / ( 3.2 / 16 )
= - 3 / 2
= - 1.5
- 7.2 / 4.8
= ( - 7.2 / 24 ) / ( 4.8 / 2.4 )
= - 3 / 2
= - 1.5
Common is ratio is same.
Answer,
The terms have a common ratio of - 1.5