Multiplying & Dividing Radical Expressions

Multiply. If possible. Then simplify. $\sqrt{8}\cdot\sqrt{32}$   

• 16

• 8

• not possible

• 4

Simplify. Assume that all variables are positive. $\sqrt{20x^3}$   

•  $x\sqrt{10}$  

•  $2x\sqrt{5x}$  

•  $10x$  

•  $2\sqrt{10x}$  

Simplify. Assume that all variables are positive. 

• A

• B

• C

• D

Simplify. Assume that all variables are positive. $\sqrt{50x^5}$   

•  $5x^2\sqrt{2}$  

•  $10x\sqrt{2x}$  

•  $5\sqrt{2x^2}$  

•  $5x^2\sqrt{2x}$  

Simplify. Assume that all variables are positive. 

• 3xyz
• Can't Simplify

Multiply and simplify. Assume that all variables are positive.  $\sqrt{8y^5}\cdot\sqrt{40y^2}$  

•  $8y^3\sqrt{5}$  

•  $8y^3\sqrt{5y}$  

•  $8y\sqrt{5y}$  

•  $8y^3\sqrt{5}$  

Multiply and simplify. Assume that all variables are positive.  $\sqrt{7x^5}\cdot\sqrt{42xy^9}$  

•  $7xy\sqrt{6y}$  

•  $7x^2y^2\sqrt{6y}$  

•  $7x^3y^4\sqrt{6y}$  

•  $7xy^3\sqrt{6y}$  

Multiply and simplify. Assume that all variables are positive.

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Divide and simplify. Assume that all variables are positive.  $\frac{\sqrt{180x^5}}{\sqrt{5x^3}}$   

•  $6x^2$  

•  $12x$  

•  $6x$  

•  $12x^2$  

Divide and simplify. Assume that all variables are positive.

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