Simplify the Expression $\sqrt { 63 x ^ { 2 } y }$

question 47

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $\sqrt { 63 x ^ { 2 } y }$

• A) \(3 x \sqrt { 7 y }\)
• B) \(3 x ^ { 2 } \sqrt { 7 y }\)
• C) \(3 x y ^ { 2 } \sqrt { 7 }\)
• D) \(3 x y \sqrt { 7 }\)

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Alexis de Tocqueville

A 19th-century French political thinker and historian best known for his works "Democracy in America," examining the democratic system of the United States.

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