7 is rational.
rational
rational
No, it is rational.
It is irrational.
irrational because rational numbers are integers such as 7
Rational.
-7 is the ratio of -7 and 1 ... nice and rational.
9/7 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Rational
7 is the ratio of 7 to 1 ... a perfectly rational number.
-7 is a rational number