Simplify the Expression $\sqrt { 8 x y ^ { 3 } } - \sqrt { 75 y ^ { 3 } x }$

question 14

Multiple Choice

Simplify the expression. $\sqrt { 8 x y ^ { 3 } } - \sqrt { 75 y ^ { 3 } x }$

• A) \(2 y ^ { 2 } \sqrt { 2 x y } - 5 y ^ { 2 } \sqrt { 3 x y }\)
• B) \(2 y \sqrt { 2 x y } - 5 y \sqrt { 3 x y }\)
• C) \(3 y \sqrt { 2 x y } - 5 y \sqrt { 3 x y }\)
• D) \(2 y \sqrt { 4 x y } - 5 y \sqrt { 15 x y }\)
• E)none of the above

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Definitions:

Progression Principle

The principle that a need isn’t activated until the previous lower-level need is satisfied.

Hierarchy Principle

A system or organization in which people or groups are ranked one above the other according to status or authority.

Deficit Principle

The principle that a satisfied need does not motivate behaviour.

Safety Needs

Basic human necessities for security and protection from physical and emotional harm, as identified in Maslow's hierarchy of needs.