Determine if the sequence is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence.
-9, 29, 49, 69, 89, . . .
A)geometric; 109
B)neither
C)arithmetic; 109

Question

Quizplus · Accepted Answer

The sequence is arithmetic because there is a common difference of 20 between each term. The next term is 89 + 20 = 109.

Determine If the Sequence Is an Arithmetic Sequence, a Geometric