How to Identify an Irrational Number

The video tutorial focuses on identifying irrational numbers in a standardized math test question. It begins with an introduction to the topic, explaining that irrational numbers cannot be expressed as fractions. The video then reviews multiple-choice options, identifying the square root of 3 as irrational because it is a nonperfect square. Other options, such as the square root of 0 and decimal values that terminate or repeat, are identified as rational because they can be expressed as fractions.

Explain why the square root of 3 is an irrational number.

What characteristics do decimal values have to be considered rational?