Question

Use the iterative rule to find the seventh term of the sequence: an = 3n – 1.

4 minutes ago

Answer 1

728?

Answer 2

well do you know what the iterative rule is?

Answer 3

I tried it again and I got 2187

Answer 4

I thought you just have to put 7 in for x.... umm.. hang on... let me do some more research

Answer 5

The Iterative Rule is: an=a1 n-1

Answer 6

is it supposed to be\[a_n=3^{n-1}\]

Answer 7

Yes! Correct!

Answer 8

okay.. so, I still believe you plug 7 in for n.... so you'll have\[a_n=3^{7-1}=3^6\]

Answer 9

can you do that?

Answer 10

Could you show me? Im not good at this

Answer 11

\[3^6=3\times3\times3\times3\times3\times3\]

Answer 12

and you were close with your first answer.

Answer 13

3^ 15?

Answer 14

no..... you said 728... that's really close to the answer..

Answer 15

2187 so this is my answer

Answer 16

no, do you have a calculator?

Answer 17

Sorry bout that my laptop is freezing! yes I do I just got 728 now

Answer 18

you should be getting 729...

Answer 19

Sorry. do you have time for a few more

Answer 20

I'm in a Lesson right now... ummm so not really.. sorry. but no need to apologize! XD

Answer 21

Ah k

Answer 22

sorry!