Question

For which operations is the set {–1, 0, 1} closed?

Choose all answers that are correct.

A.
addition

B.
division

C.
multiplication

D.
subtraction

Answer 1

@chosenmatt

Answer 2

I think it would be multiplaction and addition but idk

Answer 3

i think your right

Answer 4

ok i geuss i will have to go over it again in my book

Answer 5

Solve for x.

3 • 4 – 3 • 7 = 3(x – 7)

A.
4

B.
–10

C.
6

D.
–3

Answer 6

I'm sure it's only multiplication, because in addition, you can have \(1+1=2\), which is not part of set.

Answer 7

ok thx geeky42

Answer 8

@chosenmatt your answere is 4