Simplify the expression. $\left( 9 y ^ { 2 } \right) ^ { 1 / 2 }$
A) $ \quad 9|y| $
B) $ \quad 3 y $
C) $ 3 y^{2} $
D) $ \quad 3|y| $
E) $ \quad 3\left|y^{2}\right| $

Question

Quizplus · Accepted Answer

The expression simplifies to $3|y|$ because the square root of $9y^2$ is $3|y|$, taking into account that $y^2$ is always positive or zero, and the square root of 9 is 3.

Simplify the Expression (9y2)1/2\left( 9 y ^ { 2 } \right) ^ { 1 / 2 }(9y2)1/2

Simplify the Expression $\left( 9 y ^ { 2 } \right) ^ { 1 / 2 }$