Question

true or false the absolute value of all numbers is it opposite

Answer 1

Not true. A counterexample:
\[|4|=4\]

Answer 2

what do you think?

Answer 3

For a positive integer \(\{a\in Z|a>0\}\), We know \(|a|=a\) and \(|-a|=a\) as well

Answer 4

False because evens equal the same number and odds equal opposite

Answer 5

that works for all \(\{a\in R|a>0\}\) actually

Answer 6

True

Answer 7

I decided to use integers for simplicity

Answer 8

understandable, though would you mind considering not just giving the answer next time and encouraging the asker's participation? That way, they can learn the process used