Add or Subtract $\sqrt { 98 } - 3 \sqrt { 8 } + 9 \sqrt { 128 }$

question 157

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- $\sqrt { 98 } - 3 \sqrt { 8 } + 9 \sqrt { 128 }$

• A) \(- 73 \sqrt { 2 }\)
• B) \(- 8 \sqrt { 2 }\)
• C) \(- 4 \sqrt { 2 }\)
• D) \(73 \sqrt { 2 }\)

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Definitions:

Material Culture

The physical objects, resources, and spaces that people use to define their culture, including artifacts, buildings, and landscapes.

Non-material Culture

The intangible elements of culture, such as beliefs, practices, norms, and values that influence the way members of a society live and interact.

Mores

Deeply held cultural norms and values that embody the moral views of a group or society.

Folkways

Are norms that specify social preferences. Because they are the least important norms, violating them evokes the least severe punishment.