Irrational Number

Definition of Irrational Number         

  • Irrational numbers are real numbers that cannot be expressed as fractions, terminating decimals, or repeating decimals.

Examples of Irrational Number

  • are few examples of irrational numbers.

Solved Example on Irrational Number

Identify the irrational number.

Choices:

A. 0.3

B.

C.

D.

Correct Answer: C

Step 1:  The value of  is 2.4494897427831780981972840747059. . .     

Step 2:  The value of  is 5.

Step 3: The value of  is 0.6.

Step 4: Among the choices given, only  is an irrational number.

      

Related Terms for Irrational Number

  • Terminating Decimal
  • Fraction
  • Decimal

Additional Links for Irrational Number