Question

hich 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
.

Answer 1

"Add the common difference of −3.5."

Reason: each term decreases by 3.5 (19.5−23 = −3.5, 16−19.5 = −3.5, 12.5−16 = −3.5), so add −3.5 each time. The next term is 12.5 + (−3.5) = 9.