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It is a real number that cannot be expressed as a ratio of two integers, a/b (where b>0).

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Q: What is a definition for an irrational number?
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Is 3 over 4 an irrational number?

No, an irrational number by definition is a number that cannot be written as a fraction


True or false an irrational number can be written as a fraction?

False. an irrational number can not be written as a fraction. In fact, that is the definition of an irrational number.


Are all irrational numbers are surds?

Yes. The definition of a surd is "an irrational number"


What is a rational number number which is not a rational number?

There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.


How do you convert irrational number into fractional equivalent?

The formal definition of an irrational number is onethat can't be converted into a fractional equivalent.


What is the definition for a non-repeating decimal?

That's an irrational number.


What is a good definition of irrational numbers?

A real number that can not be expressed as a rational number.


Can an irrational number sometimes be expressed as a quotient of integers?

The definition of an irrational number is that it cannot be expressed as the quotient of 2 integers, so no.


Is every irrational number a real number and how?

The set of real numbers is defined as the union of all rational and irrational numbers. Thus, the irrational numbers are a subset of the real numbers. Therefore, BY DEFINITION, every irrational number is a real number.


Why is 4.323223222 an irrational number if you can predict what comes next?

Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.


What is the definition of irrational?

A rational number is one that can be expressed as a ratio of two whole numbers (like a fraction). An irrational number is a real number that is not rational.


What number is both real and irrational?

All irrational numbers are Real numbers - it's part of the definition of an irrational number. Imaginary numbers are neither rational nor irrational. An example of a number that is both Real and irrational is the square root of two. Another example is the number pi.