Answer: -4,-2,1,4,8,... it is neither arithmetic nor geometric
-1,3,7,11,15,... it is Arithmetic
36,12,4,4/3, 4/9,... it is Geometric
Step-by-step explanation:
-4,-2,1,4,8,...
When sequence is arithmetic then the difference between two terms should be same
When sequence is Geometric then the ratio of two consecutive terms should be same
-2-(-4) = 2
1-(-2) = 3
