rational number is a number that can be written in form a/b where b is no equal zero and a is not a symbol (like pi or e or infinity)
tells you its oposite
she chould tell you -a/b or b/a
if she told you -a/b, then if you multiplied them together, you would get a negative number
if she told you b/a, if you multiplied it by the original, you would get 1
