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