Solve the Equation for the Unknown $x ^ { 2 } = 81$

question 73

Multiple Choice

Solve the equation for the unknown.
- $x ^ { 2 } = 81$

• A) \(x = 9\)
• B) \(x = \pm 9\)
• C) \(x = \frac { 81 } { 2 }\)
• D) \(x = \pm \frac { 81 } { 2 }\)

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Definitions:

Maximize Profits

An objective of firms where they seek to achieve the highest possible financial gain from their operations, often by optimizing production and sales strategies.

Supply Function

A mathematical equation or curve that shows the relationship between the price of a good and the quantity supplied.

Production Function

An economic model that describes the relationship between inputs used in production and the output of those goods or services.

Supply Function

A mathematical model that illustrates the relationship between the supply of a good or service and its price, holding other factors constant.