Question

i need your help...
What is the sum of the arithmetic sequence 151, 137, 123, …, if there are 26 terms?

−676
−650
−624
−598

Answer 1

fan+medal...

Answer 2

its arithmetic.... do you know the general form of it ?

Answer 3

Not really. Just wanted to know the genral set up and stuff

Answer 4

this will help you :)
enjoy it!
https://www.mathsisfun.com/algebra/sequences-sums-arithmetic.html

Answer 5

well if it helps, it's just a pretest. I just want to get a jump on it

Answer 6

well thanks, it helped a little :)