Question

√9 is ______ number.

a) rational
b) irrational
c) neither rational non irrational
d) both rational and irrational​

Answer 1

Rational no.

Step-by-step explanation:

If a number can be expressed in the form p/q, then it is a rational number. √9 = ±3 can be written in the form of a fraction 3/1. It proves that √9 is a rational number.

Answer 2

√9 = 3

As we know 3 can be written in p/q form where p = 3 and q = 1, where p and q are integers and q ≠ 0, hence the given number is a rational number.

You might be confused due to under root sign.

Let me tell you, all under root numbers are not irrational, only those under root numbers are irrational which are non-terminating (unstoppable) and non-repeating.

Like √3 = 1.73205081...

This is an irrational number as it is not going to repeat or terminate (stop) anywhere.

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