SOLUTION: +1, 0, –1, +1, 0, –1, +1, 0, –1 . . . . and so on, where the last number is +1, has a sum of (A) +1 (B) –1 (C) +2 (D) 0 (E) –2

Algebra ->  Number-Line -> SOLUTION: +1, 0, –1, +1, 0, –1, +1, 0, –1 . . . . and so on, where the last number is +1, has a sum of (A) +1 (B) –1 (C) +2 (D) 0 (E) –2       Log On


   

Question 315146: +1, 0, –1, +1, 0, –1, +1, 0, –1 . . . . and so on, where the last number is +1, has a sum of
(A) +1 (B) –1 (C) +2 (D) 0 (E) –2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Every three-pair (1,0,-1) sums to zero. The final value is 1 so the sum is 0+0+0+0+...+0+1=1
A) is the correct answer.