Question

Find an explicit rule for the nth term of the sequence.
-4, -8, -16, -32, ...

Answer 1

I don't know if this is the right answer but it helps work this out. Pretend it isn't a negative number and times the number before it by two. Then put in the minus and that is your answer

Answer 2

-4, -8, -16, -32, ...

A) an = -4 • 2n - 1

B) an = 2 • -4n + 1

C) an = 2 • -4n

D) an = -4 • 2n

the answer is A

Explanation: