Zero is a rational number, and therefore is NOT an irrational number.
The definition of a rational number is any number that can be expressed as a fraction where the numerator and demoninator are both integers, and the denominator is non-zero. Irrational Numbers are all real numbers that are not rational numbers. Since zero qualifies under the definition of a rational number, (0/3, for example), it therefore cannot be an irrational number.
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No, it is rational.
The square root of 20 is an irrational number
The square root of 9 is 3 which is a rational number
The square root of an irational number must, itself, be irrational.
14 is an integer. and irational number is a top heavy fraction, i, e, a number of the form a/b with a>b, b not equal to 1