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

question 33

Multiple Choice

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) \( \quad 3\left|y^{2}\right| \)

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Definitions:

Moving Current

A steady flow of a fluid in a particular direction, especially a natural flow of water in the ocean.

Longshore Current

A current, generally in an ocean or large lake, flowing more or less parallel to a coastline.

Prevailing Wind

The most common or frequent wind direction in a particular place, influenced by global patterns or local topography.

Shoreline Sand

Sand found along the edge of a sea, lake, or river, commonly composed of finely divided rocks and mineral particles.