Solve the Equation Using the Square Root Property $$\mathrm { x } ^ { 2 } - 81 = 0$$

question 57

Multiple Choice

Solve the equation using the square root property.
- $$\mathrm { x } ^ { 2 } - 81 = 0$$

• A) \(\{ - 9 \}\)
• B) \(\{ 9 , - 9 \}\)
• C) \(\{ 81 \}\)
• D) \(\{ 9 \}\)

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Definitions:

Primary Demand

The overall demand for a product category or industry, rather than for a specific brand.

Product Class

A broad category of goods or services that share similar characteristics or serve similar purposes.

Selective Demand

The demand for a specific brand or product rather than the category as a whole, often influenced by advertising and consumer preferences.

Competitors

Entities that operate in the same or similar industry and offer comparable products or services, thereby vying for the same customer base.