Using the concepts of rational and irrational numbers, it is found that [tex]\sqrt{2}[/tex] is an example of an irrational number, given by option D.
- Rational numbers are all numbers that can be represented by fractions, including whole numbers, repeating decimals and terminating decimals.
- Irrational numbers are those which cannot be represented by fractions, such as non-terminating decimals.
In this question, options A and C are fractions, thus they are rational.
Option B is a exact square root, which is a whole number, thus also rational.
In option D, [tex]\sqrt{2}[/tex] is a non-terminating and non-repeating decimal, thus it is irrational.
A similar problem is given at https://brainly.com/question/10814303
