Surds - Introduction and basic rules

True or False?

 $\sqrt{a}\times\sqrt{b}\equiv\sqrt{a\times b}$  

• True

• False

True or False?

 $\sqrt{a}+\sqrt{b}\equiv\sqrt{a+b}$  

• True

• False

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 $\sqrt{4}\times\sqrt{5}=\sqrt{20}$  

• True

• False

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 $\sqrt{4}+\sqrt{5}=3$  

• True

• False

Tags

CCSS.8.NS.A.2

True or False?

 $\sqrt{8}\times\sqrt{2}=4$  

• True

• False

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 $\sqrt{8}\div\sqrt{2}=4$  

• True

• False

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 $\sqrt{32}\div\sqrt{2}=4$  

• True

• False

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 $\sqrt{20}\times\sqrt{5}=10$  

• True

• False

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 $\sqrt{2}\times\sqrt{9}\div\sqrt{6}=\sqrt{3}$  

• True

• False

True or False?

 $\sqrt{7}\times\sqrt{4}\div\sqrt{2}=\sqrt{56}$  

• True

• False