Question

Which of the following statements correctly determines the rule for generating the next term in the sequence 23, 19.5, 16, 12.5, . . .? (1 point)
Responses

Add the common ratio of −3.5
.
Add the common ratio of negative 3.5 .

Add the common difference of −3.5
.
Add the common difference of negative 3.5 .

Multiply by the common difference of −3.5
.
Multiply by the common difference of negative 3.5 .

Multiply by the common ratio of −3.5
.
Multiply by the common ratio of negative 3.5 .

Answer 1

"Add the common difference of −3.5."

Reason: each term is 3.5 less than the previous (23 → 19.5 → 16 → 12.5), so it's arithmetic with common difference −3.5 (i.e., add −3.5 or subtract 3.5).