Determine whether the sequence is arithmetic or geometric. Find the next three terms.
-7, 21, -63,….
Responses
Geometric: 189, -567, 1701
Geometric: 189, -567, 1701
Arithmetic: 98, 133, 168
Arithmetic: 98, 133, 168
Geometric: 441, 3087, 21,609
Geometric: 441, 3087, 21,609
Arithmetic: 95, 284, 851
1 answer
Geometric: -189, 567, -1701