How to Determine if a Number Is Irrational?

Answer The history of irrational numbers begins with a murder. Legend attributes the discovery of the square root of two, an irrational number, to the Greek philosopher Hippasus. When his teacher Pythagor... Read More »

Top Q&A For: How to Determine if a Number Is Irrational

Is 40 a rational or irrational number?

The number 40 is a rational number. According to Wolfram Research's Math World, a rational number is any number that can be expressed as the ratio of two integers. The integers are represented by a... Read More »

What is the most famous irrational number?

Pi is the most famous irrational number. The constant value cannot be represented as a fraction of two integers and is most commonly rounded to 3.14. Pi is used in many mathematical formulas, parti... Read More »

Are irrational numbers placed on the number line?

An irrational number cannot be expressed as a ratio of two integers. An integer is a negative or positive whole (non-fraction) number or zero. Thus, 2.5 is rational because it can be written as 5/2... Read More »

How to Find the Square Root of an Irrational Number?

Irrational numbers are numbers that cannot be expressed as a simple fraction. For example, pi, which has an approximate value of 3.14159, is an irrational number because although pi is often expres... Read More »