Tell whether the sequence is arithmetic. If it is, identify the common difference.
negative 9, negative 17, negative 26, negative 33, ellipsis
(1 point)
Responses
Not arithmetic
Not arithmetic - no response given
Arithmetic, common difference is 8
Arithmetic, common difference is 8 - no response given
Arithmetic, common difference is 9
Arithmetic, common difference is 9 - incorrect
Arithmetic, common difference is 7