The number 4 is an irrational number if 4 canNOT be expressed as a ratio, as in irRATIOnal.
A quotient is the result you get when you divide one number by another number. For 4 to be an irrational number, the quotient of two integers canNOT equal 4.
In other words, for 4 to be an irrational number, 4 canNOT be expressed as a ratio where both the numerator and denominator are integers (whole numbers).
The number 4 can be expressed as 4/1 where 4 is the numerator and 1 is denominator.
Thus, the answer to the question "Is 4 an irrational number?" is NO.
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