Solve by Completing the Square $$x ^ { 2 } + 16 x = - 43$$

question 221

Multiple Choice

Solve by completing the square.
- $$x ^ { 2 } + 16 x = - 43$$

• A) \(\{ 8 - \sqrt { 43 } , 8 + \sqrt { 43 } \}\)
• B) \(\{ - 16 + \sqrt { 43 } \}\)
• C) \(\{ 8 + \sqrt { 21 } \}\)
• D) \(\{ - 8 - \sqrt { 21 } , - 8 + \sqrt { 21 } \}\)

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Definitions:

Net Sales

The revenue generated from goods or services sold by a company after returns, allowances for damaged or missing goods, and discounts are subtracted.

Operating Expenses

Incurred expenses not directly tied to the production of goods or services, such as administrative and sales expenses, that are necessary for running a business.

Depreciation

The method of allocating the cost of a tangible asset over its useful life, reflecting wear and tear, deterioration, or obsolescence.

Net New Borrowing

The difference between the amounts a company has borrowed and repaid during a specific period, indicating how much new debt it has taken on.