Find the sum of the arithmetic sequence. (1 point)-4, -1, 2, 5, 8, 11,

Question

nnesha · Answer

tell me what you know about arithmetic so far ?

nnesha · Answer

definition ?

anonymous · Answer

numbers such that the difference between the consecutive terms is constant.

anonymous · Answer

@Nnesha

nnesha · Answer

difference between consecutive terms are the same 
to find the sum of ARITHMETIC sequence formula is $$\huge\rm s_n = \frac{ n }{2} (a_1 + a_n)$$

anonymous · Answer

35 ?

anonymous · Answer

@Nnesha

nnesha · Answer

show your work plz :-)
how did you get 35 ?

nnesha · Answer

isn't there plus sign between terms ?

jdoe0001 · Answer

@chappy0729    what's the common difference in sequence again?

jdoe0001 · Answer

"numbers such that the difference between the consecutive terms is constant."
      ^
notice your definition of a common difference
so well put   ( or pasted )

so.....using that definition, what common difference could we find in that sequence you think?

jdoe0001 · Answer

if you dunno... then you may want to brush up your section on arithmethic sequences
then try the exercise, once that has been covered though