Add or Subtract $- 2 \sqrt { 8 } - 2 \sqrt { 18 } - 8 \sqrt { 32 }$

question 57

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- $- 2 \sqrt { 8 } - 2 \sqrt { 18 } - 8 \sqrt { 32 }$

• A) \(- 12 \sqrt { 2 }\)
• B) \(- 2 \sqrt { 2 }\)
• C) \(- 42 \sqrt { 2 }\)
• D) \(12 \sqrt { 2 }\)

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Definitions:

Rational Choice Theory

An economic principle that states individuals always make prudent and logical decisions that provide them with the highest amount of personal utility.

Macro Level

Analysis or perspectives focused on large-scale structures and processes in society, often contrasting with micro-level individual or small group interactions.

Maximize Interests

The process of optimally increasing the benefits or gains from a situation or decision.

Maintain Associations

The ongoing effort to keep relationships or connections between entities or concepts active and beneficial.