Question

Identify the 12th term of a geometric sequence where a1 = 8 and a6 = -8,192.

Answer 1

a(n)=a(1) * r^ (n-1)

thus, a(6) = a(1) * r^5
-8192= 8*r^5
r=4.

Answer 2

wat formula do i plug r into to get my answer

Answer 3

The first one, that's the general formula for a GP.

Answer 4

i keep getting 682.66...

Answer 5

Thats too low!

Answer 6

A) 134,217,728
B) 33,554,432
C) -33,554,432
D) -134,217,728 those are the answer choices

Answer 7

Yup, that has the answer.

Answer 8

so is the answer b...

Answer 9

Nope, Sorry I did a mistake you need to figure out in my first post. A simple calculation mistake!

Answer 10

thanks ill try to figure it out from there then :)

Answer 11

Yeah! Its my pleasure! :)