Question

Classify each number as rational or irrational and explain.
125
-0.75 v2
7,548,123

Answer 1

Rational

125

7,548,123

Irrational

-0.75 v2

Any number (or part of a number) that contains a square root is irrational because NO square root can be expressed as a fraction. (Or a "ratio", hence the term "irRATIOnal" - meaning no ratio or no fraction)

Explanation: