Question

geometric sequence question pt. 2!

Answer 1

@Concentrationalizing i got A. can you check my answer? im not sure i did it right!

Answer 2

yes i have done that but i am getting such weird answers i think i miss steps or something. im not good with them when the numbers are fractions

Answer 3

One sec, I am solving it also.

Answer 4

okay thanks

Answer 5

@jim_thompson5910 hey are you able to solve this real quick and let me know if A is right?

Answer 6

were you able to find the first term?

they give you the third term a3 = 128

use that to find a1

Answer 7

i got the first term to be 8..is that what you got?

Answer 8

no, the first term is not 8

Answer 9

hmm okay. i will go through it again.

Answer 10

to go backwards, instead of multiplying by -1/4, divide by -1/4

Answer 11

I got an obnoxiously large number, wasn't sure is that was correct..