Definition Of Irrational Number

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

Video Examples: Pre-Algebra 32 - Irrational Numbers
 

Example of Irrational Number

are few examples of irrational numbers.

Solved Example on Irrational Number

Ques: dentify the irrational number.

Choices:

 
Correct Answer: C

Solution:

Step 1: The value of  is 2.4494897427831780981972840747059. . . 
Step 2: The value of  is 5.
Step 3: The value of 3/5 is 0.6.
Step 4: Among the choices given, only  is an irrational number.

Related Worksheet

• Classifying-Rational-and-Irrational-Numbers-Gr-8
• Locating-Irrational-Numbers-on-a-Number-Line-Gr-8