Question

=

Answer 1

I forgot what the formula was

Answer 2

I know this is basic, but if someone could just remind me of the formula...

Answer 3

First of all, is it an arithmetic of geometric sequence?

Answer 4

or*

Answer 5

arithmetic

Answer 6

Think....How many times will you have to add 6 to get to the 31st term.

Answer 7

@BangkokGarrett A lot of times :P

Answer 8

To get to the 2nd term we add 6 one time
To get to the 3rd term we add 6 2 times.
.....
....

Answer 9

To get to the 31st term, we add 6 _____ times
Fill in the blank

Answer 10

formula :
\(\large a_n = a_1 +(n-1)d\)

Answer 11

@hartnn
THAT WAS IT! :D
It's all coming back to me now lol!

Answer 12

Aghhh Hartnn beat me to it haha. But here this should help you: http://hotmath.com/hotmath_help/topics/nth-term-of-an-arithmetic-sequence.html

Answer 13

Lol! Thank you all :D

Answer 14

Can you guys all give badges to each other for me? i wanna give everyone a badge lol!

Answer 15

you're welcome ^_^

Answer 16

Well then here you go: http://www.youtube.com/watch?v=pDxoj-tDDIU

Answer 17

Thanks! :D
I'm gonna go watch that now lol

Answer 18

I just used the formula and got 189!

Answer 19

9+(31-1)6=189

Answer 20

\(\huge \checkmark \)

Answer 21

Yay! Lol nice symbol Latex thingy

Answer 22

\(\ddot \smile \)

Answer 23

Have an awesome day everyone!