rational
-7 is a rational number
rational
7 is the ratio of 7 to 1 ... a perfectly rational number.
irrational because rational numbers are integers such as 7
-7 is the ratio of -7 and 1 ... nice and rational.
10
10.01 is a rational number
It is a rational number.
Rational
Yes - if I had an irrational number x, and I added that to the number (7-x), I would end up with 7.If the number is irrational, it can be subtracted from a rational/integer to make another irrational.
It is a rational number