Texas Algebra 1, 2007

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**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:

- The number is a negative integer number (Z).
- The sets of integers (Z) are subsets of rational number (Q).
- All rational numbers (Q) are real numbers (R).

The number belongs to Z, Q and R.

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