It is positive.
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The square of a positive number is positive. By the way, the square of a negative number is also positive.
A positive number times a positive number is always positive. A negative number times a negative number is always positive. Therefore, any square number will be positive. Any number to the fourth power (a square times a square) will always be positive. And so on.
Every positive rational number and its negative are the two square roots of the same positive rational number.
The square of a negative number is always positive. The square of -8 = 64, a rational number
a positive square like if you have -2^2 it would be 4