Which sets of numbers are closed under division?

Choose all answers that are correct.

A.
rational numbers

B.
integers

C.
{–1, 0, 1}

D.
whole numbers

Question

Which sets of numbers are closed under division?
 
Choose all answers that are correct.
 
 A.
rational numbers
 
 B.
integers
 
 C.
{–1, 0, 1}
 
 D.
whole numbers

anonymous · Answer

@Directrix  help!!!!!!!!!!!!!!!!!

directrix · Answer

Pardon me. That was not correct. The operation this time is division, I see.

directrix · Answer

Let's work from the bottom to the top.

If you take any two whole numbers and divide one by the other, will you get a whole number as an answer?

4 is a whole number, 3 is a whole number. 

What is 4 divided by 3 equal to?   4/3 = ?   @CavebusterWatcher!

zzr0ck3r · Answer

This question was poorly written... non of the are closed under division because 0 is in all of them.

zzr0ck3r · Answer

1,0 is in all sets, 1/0 is undefined in all sets....