Examlex
The possible values of a discrete variable always form a finite set.
Square Roots
The value that, when multiplied by itself, gives the original number, often denoted as √x.
Perfect Square
A number that is the square of an integer, such as 1, 4, 9, 16, etc.
Evaluate
To figure out the valuation of an expression.
Principal Square Root
The principal square root is the non-negative root of a given number, represented as sqrt(x) for a non-negative number x.
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