Choose all answers that are correct.

2.

(1 pt)
Which equations show that the set of whole numbers is closed under addition?

Choose all answers that are correct.

A.
0 + (–1) = –1

B.
1 + 1 = 2

C.
2 + 0 = 2

D.
2 + (–1) = 1

Question

Choose all answers that are correct.

2.
 
(1 pt)	
Which equations show that the set of whole numbers is closed under addition?
 
Choose all answers that are correct.
 
 A.
0 + (–1) = –1
 
 B.
1 + 1 = 2
 
 C.
2 + 0 = 2
 
 D.
2 + (–1) = 1

anonymous · Answer

please help will fa and medal :)

daniellelovee · Answer

why is there a 2 in the question (does it means that you have to find for 2) because they are all correct

daniellelovee · Answer

and were is the set of numbers?

anonymous · Answer

its one question but you have to enter in all that are correct, Thank you for the help :)

anonymous · Answer

@Daniellelovee so they are all correct?

danjs · Answer

0 + (-1)  = -1

-1 is in the set of {0,-1}

danjs · Answer

1 + 1 = 2

2 is not in the set of {1,1}

danjs · Answer

It is closed under addition, if when you add any two elements in the set, you result in another element that is always in the set.

danjs · Answer

2 + 0 = 2

2 is in the set of {2,0}

anonymous · Answer

A & D?

danjs · Answer

2 + -1 = 1

1 is not in the set of {2,-1}

funnyguy2 · Answer

not allowed to help you on a test

anonymous · Answer

@DanJS  Just A? Are you sure there are no more, it can be more than 1 answer.

anonymous · Answer

oh sorry :/ i thought this you could on here @funnyguy2