Question

Find the 10th term in the geometric sequence below.

2, –4, 8, –16, …
A.
–1,024
B.
512
C.
1,024
D.
2,048
I also don't get how it can go to a negative to a positive, I thought it had to be consistent?

Answer 1

2
-4
8
-16
32
-64
128
-256
512
-1024

Answer 2

A.
–1,024

Answer 3

and the sequence is x2

Answer 4

no
it is x-2

Answer 5

That's how they get the positive, okay. Thank you