Question

Please help!! Tell whether the sequence 1/3,0,1,-2… is arithmetic, geometric, or neither. Find the next three terms of the sequence

A. neither; 7, -20, 61
B. geometric; 7, -20, 61
C. arithmetic; -1/3,11/3,3
D. geometric; -31/3, -55/9, -97/27

Answer 1

if the ratio between two consecutive terms remains constant its geometric ,
If the difference between 2 consecutive terms is constant then it is arithmetic.
else it goes to neither section

Answer 2

now can you tell ?

Answer 3

I was thinking A

Answer 4

yep you are right :)