Solve the Equation $$9 ^ { 2 x } \cdot 27 ^{( 3 - x )} = \frac { 1 } { 9 }$$

question 147

Multiple Choice

Solve the equation.
- $$9 ^ { 2 x } \cdot 27 ^{( 3 - x ) } = \frac { 1 } { 9 }$$

• A) \(\{ - 8 \}\)
• B) \(\{ 10 \}\)
• C) \(\{ - 11 \}\)
• D) \(\left\{ \frac { 9 + \sqrt { 87 } } { 6 } , \frac { 9 - \sqrt { 87 } } { 6 } \right\}\)

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Definitions:

B2C

Business-to-Consumer, referring to the direct commercial transactions and relationships between businesses and end-users or consumers.

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The buying and selling of goods and services over the internet.

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A type of auction where the roles of buyer and seller are reversed, with the buyer seeking to purchase goods or services and suppliers submitting decreasingly lower bids.

Prices

The sum of money anticipated, needed, or paid in exchange for something.