Question

What are the next three terms in the sequence 4, -1, -6, -11, ...?

-14, -17, -20
-14, -21, -26
-18, -25, -32
-16, -21, -26

Answer 1

The sequence decreases by 5 each time (−1−4 = −5, −6−(−1) = −5, −11−(−6) = −5), so the next three terms are −16, −21, −26. Answer: −16, −21, −26.