WILL MEDAL

Which equations show that the set of whole numbers is not closed under subtraction?

Choose all answers that are correct.

A.
1 – (–2) = 3

B.
1 – 2 = –1

C.
2 – 0 = 2

D.
2 – 4 = –2

Question

WILL MEDAL

Which equations show that the set of whole numbers is not closed under subtraction?
 
Choose all answers that are correct.
 
 A.
1 – (–2) = 3
 
 B.
1 – 2 = –1
 
 C.
2 – 0 = 2
 
 D.
2 – 4 = –2

anonymous · Answer

ugh i don't like those ??????????? ya cant make heads or tails of this!!

mendicant_bias · Answer

The webpage here has exactly the information you're looking for, put simply. Let me know if it doesn't make sense still, but take a look at it. http://www.mathsisfun.com/sets/closure.html

anonymous · Answer

ok

anonymous · Answer

Thank You!