If x / y is an integer, which of the following statements need NOT always be true?

Select ALL such statements.

A. both x and y are integers
B. x is an integer
C. either x or y is negative
D. y / x is an integer
E. x = ny where n is an integer

Question

If x / y is an integer, which of the following statements need NOT always be true?

Select ALL such statements.

A. both x and y are integers
B. x is an integer
C. either x or y is negative
D. y / x is an integer
E. x = ny where n is an integer

bibby · Answer

Is 1.2/1.2 an integer?

anonymous · Answer

I think so because that equals 1

bibby · Answer

3.4/3.4 = 1 = an integer
7/3.5 = 2 = an integer
Unsure about C.
D is not necessarily true. 2/1 is an integer but 1/2 is not.
Can I just pick n=1 for every case of E?

bibby · Answer

gotta go bye ♥