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SAT® Math

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Moderate

Simplifying Radical Expressions 2

SATMAT-JVELIY

Which is equivalent to the following expression?

$$ \sqrt { \frac { { x }^{ \frac { 2 }{ 3 } }{ y }^{8} }{ 4{ x }^{ \frac { 2 }{ 3 } } } } $$

A

$ \sqrt { \cfrac { { x }{ y }^{ 8 } }{ 4 } } $

B

$ \cfrac { 1 }{ 2 } { y }^{ 4 } $

C

$ { y }^{ 2 } $

D

$ \cfrac { { x }^{ \cfrac { 1 }{ 3 } }y^{ 4 } }{ 2 } $