Venn Diagram Number Properties

The expression is .  Radicand is . 

Square Root of a Number: If , then is a square root of .

     The negative square root of radicand: )

  Observe the Venn diagram:

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• The number is a negative integer number (Z).
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• The sets of integers (Z) are subsets of rational number (Q).
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• All rational numbers (Q) are real numbers (R).  
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The number belongs to Z, Q and R.