Question

which expression defines the given series for seven terms?
-3 + (-1) + 1 +...

Answer 1

what are our choices?

Answer 2

scientific notation, 375,940,000,000

Answer 3

its the really big E thingys idk how to put it in here:(

Answer 4

{E} works; it just means 'sum of all the stuff'

Answer 5

n/2 ( -6 +(n-1)2)

Answer 6

n^2 - 4n

Answer 7

its just adding 2 to each number .... if anything

Answer 8

A{n+1} = A{n} + 2 ; A{1} = -3

Answer 9

A{n} = -5 +2n perhaps?

Answer 10

like its the big E things...
a. E (5n - 2)
b. E (2n - 5)
c. E (5 - 2n)
d. E (2 - 5n)

Answer 11

\[\sum_{n=1}^{7}(-5+2n)\]

Answer 12

B works for me

Answer 13

ahhhh thank you!!!!!!!

Answer 14

the choices help out alot; they let me klnow if im on the right track lol

Answer 15

oh that..yes