Learn the difference between rational and irrational numbers, learn how to identify them, and discover why some of the most famous numbers in mathematics, like Pi and e, are actually irrational.

We can write any rational number as the ratio of two integers. We cannot write irrational numbers, such as the square root of 8 and pi, in this way. Learn other forms, such as decimals, in which these types …

Sal determines whether expressions with unknown rational/irrational numbers are rational or irrational.

Practice Classify numbers: rational & irrational Get 5 of 7 questions to level up!

Practice Classify numbers: rational & irrational Get 5 of 7 questions to level up!

Learn Representation of Irrational Numbers on number line Intro to rational & irrational numbers Proof: there's an irrational number between any two rational numbers Classifying numbers: rational & irrational

For example, 3/2 would be a rational number because you can represent it as a fraction. A irrational number is something that is recurring or you can't represent as a definite number.

If you are unable to rewrite the decimal as a rational number (a fraction written only with integers, and the denominator is not "0"), then it is irrational. It doesn't really matter if multiple consecutive digits …

What does it mean for a number to be irrational? Let's find out. The answer may surprise you.

If you are unable to rewrite the decimal as a rational number (a fraction written only with integers, and the denominator is not "0"), then it is irrational. It doesn't really matter if multiple consecutive digits …