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

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

Each term is 3.5 less than the previous (19.5 − 23 = −3.5, 16 − 19.5 = −3.5, …), so add −3.5 (or subtract 3.5).