Question

evaluate..

Answer 1

\[s _{14} for 11+3+(-5)+(-13) ... enter the s u m ?\]

Answer 2

?

Answer 3

I would tell you the same things I did on the other post :)

Answer 4

i just dont understand the steps at all .

Answer 5

Well, first you'll need to determine the initial term, and d which is the difference between consecutive terms. Those you can obtain from the given sequence. Then just apply the formula for arithmetic sum.

Answer 6

yep this is why i failed i dont know what you just said

Answer 7

@zepdrix

Answer 8

Go to the site I linked please. I am sure it will help. http://www.mathsisfun.com/algebra/sequences-sums-arithmetic.html

Answer 9

thank you