Question

Which sets of numbers are closed under subtraction?

Choose all answers that are correct.

A.
odd natural numbers

B.
rational numbers

C.
{0, 1}

D.
{0, 1, 2

Answer 1

i think a and b

Answer 2

Thank you, why not c and d?

Answer 3

i think cause they are decimals

Answer 4

um bye

Answer 5

bye

Answer 6

i think only `b` is correct because when you subtract two rational numbers, you always get back a rational number

Answer 7

thats what i said i said b and a

Answer 8

however when you subtract two odd natural numbers, you never get an odd natural number.. similarly other options also dont work

Answer 9

ooh so whats the answer

Answer 10

only B

Answer 11

you have to pick at least 2

Answer 12

hi ganeshire8, i just failed this quiz because I do not understand this concept, however you were right b was the answer! my mom wants to know if you tutor! my math book is not the best and does not explain the content to pass more challenging questions!

Answer 13

lol :P u've got a job hehe

Answer 14

go to school kid ! @liza14 and tell ur mom that