Simplify the Radical Expression $- 8 \sqrt { 7 } - 6 \sqrt { 63 }$

question 36

Multiple Choice

Simplify the radical expression. Assume all variables represent positive real numbers.
- $- 8 \sqrt { 7 } - 6 \sqrt { 63 }$

• A) \(- 26 \sqrt { 7 }\)
• B) \(- 14 \sqrt { 7 }\)
• C) \(26 \sqrt { 7 }\)
• D) \(- 10 \sqrt { 7 }\)

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Definitions:

Duty

A legal or moral obligation to act or refrain from acting in a certain way.

Standard

A set of established criteria, guidelines, or definitions used to measure or compare the quality, quantity, or value of products, services, or practices.

Duty of Care

A responsibility mandated by law, compelling a person to maintain a level of carefulness in behaviors that might predictably injure others.

Invitee

A person who is invited onto someone's property for the owner's benefit, often related to business or commerce, and is owed a high duty of care.