Which sets of numbers are closed under subtraction?

Choose all answers that are correct.

A.
whole numbers

B.
negative integers

C.
integers

D.
rational numbers

Question

Which sets of numbers are closed under subtraction?
 
Choose all answers that are correct.
 
 A.
whole numbers
 
 B.
negative integers
 
 C.
integers
 
 D.
rational numbers

matlee · Answer

A and C

anonymous · Answer

/\ hes right

anonymous · Answer

is that correct everyone

matlee · Answer

YES

anonymous · Answer

indeed

anonymous · Answer

thank you

anonymous · Answer

no 0 and 1 are whole numbers but 0-1=-1 is not a whole number

anonymous · Answer

it would be a and c no c and d :/

anonymous · Answer

-1 and -2 are negative integers but -1-(-2)=1 is not a negative integer

anonymous · Answer

@JOHN__22 check my reasoning

matlee · Answer

it is a and c trust me im a major in math

anonymous · Answer

Hello @matlee  read the book again and the question too

anonymous · Answer

0 and 1 are whole numbers but 0-1=-1 is not a whole number
-1 and -2 are negative integers but -1-(-2)=1 is not a negative integer
So the options A and B are incorrect

anonymous · Answer

http://openstudy.com/users/midhun.madhu1987

anonymous · Answer

Which sets of numbers are closed under subtraction?
 
Choose all answers that are correct.
 
 A.
whole numbers
 
 B.
negative integers
 
 C.
integers
 
 D.
rational numbers

anonymous · Answer

A. and C.

anonymous · Answer

C and D

anonymous · Answer

arenot you reading my reasoning??

anonymous · Answer

oh yeah xD

anonymous · Answer

i see your reasoning is correct

anonymous · Answer

and rational-rational is rational integer-integer is integer so the options C and D are correct

anonymous · Answer

@gatorboy91