# Which One Is Not A Rational Number?

## What is an example of a rational number that is not a whole number?

Few Rational numbers are not whole numbers.

For example, 8,−3,32,7−5..

## How do you identify a rational number?

Rational Numbers A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number because it can be written as the fraction 8/1.

## Is 2/3 an irrational number?

In mathematics rational means “ratio like.” So a rational number is one that can be written as the ratio of two integers. For example 3=3/1, −17, and 2/3 are rational numbers. Most real numbers (points on the number-line) are irrational (not rational).

## Is 2 an irrational number?

Oh no, there is always an odd exponent. So it could not have been made by squaring a rational number! This means that the value that was squared to make 2 (ie the square root of 2) cannot be a rational number. In other words, the square root of 2 is irrational.

## Is 1 a perfect square?

How to Tell If a Number Is a Perfect Square. … First of all, if you create a square by multiplying two equal integers by each other, then the product is a perfect square. So, 1 * 1 is a perfect square.

## Is 1 a whole number?

In mathematics, whole numbers are the basic counting numbers 0, 1, 2, 3, 4, 5, 6, … and so on. Whole numbers include natural numbers that begin from 1 onwards. … Whole numbers include positive integers along with 0.

## Which of the following is not a rational number?

Question 146345: Which of the following is not a rational number? square root of 2 is not a rational number. A number which can be expressed in the form p/q, q not equal to 0 is called a rational number. square root of 2 cannot expressed as a rational no:, its irrational number.

## Is the number 1 a rational number?

The number 1 can be classified as: a natural number, a whole number, a perfect square, a perfect cube, an integer. This is only possible because it is a rational number. Note that 1 is not prime because it has only one factor.

## Is 0 a rational number?

Zero Is a Rational Number As such, if the numerator is zero (0), and the denominator is any non-zero integer, the resulting quotient is itself zero.

## What type of number is 1?

Main types ): The counting numbers {1, 2, 3, …} are commonly called natural numbers; however, other definitions include 0, so that the non-negative integers {0, 1, 2, 3, …} are also called natural numbers. Natural numbers including 0 are also called whole numbers.

## Is 5 a irrational number?

Irrational, then, just means all the numbers that aren’t rational. Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number.