6.1-6.4 TEST

Simplify. Use absolute value bars when necessary.

• 11|y⁵|

• 121|y⁵|

• 11y⁵

• 11y¹⁰

Find all the real fourth roots of 16.

• 2, -2

• 4, -4

• 2

• -2

Simplify the radical expression:  Assume all variables are positive
$\sqrt{27m^7p^{4\ }}$

• $3m\sqrt{3m^3p^2}$

• $3m^3p^2\sqrt{3m}$

• $9mp\sqrt{3m}$

• $9m^3p^2\sqrt{3m}$

 $\frac{2+\sqrt{6}}{3-\sqrt{6}}$  

•  $\frac{12+5\sqrt{6}}{3}$  

•  $\frac{2}{3}$  

•  $\frac{3}{2}$  

• undefined

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

•  $8y^3\sqrt{5}$  

•  $8y^3\sqrt{5y}$  

•  $8y\sqrt{5y}$  

•  $8y^3\sqrt{5}$  

Divide and simplify. Assume that all variables are positive.

• 
• 
• 
• 

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

•  $6x^2$  

•  $12x$  

•  $6x$  

•  $12x^2$  

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D