The negative square of 36 is -(36*36) = -1296. It is rational.
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.36 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
No. A square root of 36 is -6 which, being negative, is not a natural number.The square root of 36 is 6 ... also rational.
-18 is the ratio of -18 and 1 ... nice and rational. Also the ratio of 18 and -1, of 36 and -2, of 180 and -10, etc.
Rational; 62 = 36. Any rational number that is squared is still rational.