Question

did i get these right

Answer 1

Did i get these right help ASAP

Answer 2

just check- i think i did but not sure

Answer 3

Well, I am here.

Answer 4

what about the last one?

Answer 5

The 1st is not correct as the first term is obviously -1, so how did you choose it as -2.
Secondly: the index is clearly 2.
so it is ....#?

Answer 6

oh ok the first is actually B, not A... now did i get the second one right??

Answer 7

?

Answer 8

for the second:

Answer 9

I think it is not B, as when you put n=1, you did not get 4!!!

Answer 10

I know, but how if you try A?

Answer 11

@iwanttogotostanford

Answer 12

It is C. Try firstly 1st term!

Answer 13

@iwanttogotostanford
did you do a try?

Answer 14

Test the formula, no more!

Answer 15

@iwanttogotostanford

Answer 16

I am going to leave!
You got the answer, please test it for yourself to be sure

Answer 17

I was waiting too much!

Answer 18

http://assets.openstudy.com/updates/attachments/58016aabe4b06a18dc4324ac-iwanttogotostanford-1476487859999-screenshot20161014at7.30.31pm.png
for the first one, B is correct!

for the second one, C is correct!

Answer 19

@iwanttogotostanford
Hope you are here