Multiplying and dividing irrational numbers

Simplify:

• 2√3√14
• 4√42
• 2√42
• 4√3√14

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Classify the answer

• rational

• irrational

• A
• B
• C
• D

Simplify

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Simplify:

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 $\frac{4\sqrt{2}}{\sqrt{7}}$  

•  $4\sqrt{14}$  

•  $\frac{12}{7}$  

•  $\frac{4\sqrt{14}}{7}$  

•  $4\sqrt{2}$  

Simplify:

 $-2\sqrt{63}\cdot\ 3\sqrt{28}$  

•  $-6\sqrt{7}\cdot6\sqrt{7}$  

•  $-6\sqrt{1764}$  

•  $42$  

• -252

Ture or False
The product or a rational number and an irrational number is always a Irrational number.

• True
• False