Which of the following numbers is an irrational number?

\[\left( 3-\sqrt{3} \right)\left( 3+\sqrt{3} \right)\]

Which of the following numbers is an irrational

1.	Which of the following numbers is an irrational number?
A.	\[\sqrt{16}-4\]
B.	\[\left( 3-\sqrt{3} \right)\left( 3+\sqrt{3} \right)\]
C.	\[\sqrt{5}+3\]
D.	\[-\sqrt{25}\]
Answer» D. \[-\sqrt{25}\]

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Which of the following numbers is an irrational number?

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