Question

Equation Editor

Answer 1

\[\sum_{n=2}^{8}-(n-5)\]

Answer 2

Does that equal 0?

Answer 3

Why would it?

Answer 4

@Limitless Actually, it would equal 0.

Answer 5

@Calcmathlete, I'm being rhetorical.

Answer 6

Thanks @Calcmathlete

Answer 7

It was me asking, "Why do you think this equals zero?"

Answer 8

When I did the math, I got [3]+[2]+[1]+[0]+[-1]+[-2]+[-3], but I wasn't sure if I was missing something.

Answer 9

@Mrbonez321, thanks. That's exactly why I was asking. I wanted to see what you had done.

Answer 10

But thank you

Answer 11

Oh okay. Thanks!

Answer 12

@Mrbonez321 I'm guessing you're in algebra II?

Answer 13

Yeah. Why?

Answer 14

I was asking so that I was wondering if I should show you the formula or not. Just in case you forgot it or something.
\[S_{n} = \frac{n}{2}(a_{1} + a_{n})\]

Answer 15

Right, Exactly. Thanks!

Answer 16

np :)