Solve the Equation by Completing the Square $$3 x ^ { 2 } + 21 x = - 36$$

question 128

Multiple Choice

Solve the equation by completing the square.
- $$3 x ^ { 2 } + 21 x = - 36$$

• A) \[\pm \frac { 1 } { 2 }\]
• B) \[- 4 , - 3\]
• C) \[\pm \frac { 1 } { 2 } \mathrm { i }\]
• D)3, 4

Grasp the calculation and significance of differential cost.

Understand how to calculate and analyze the contribution margin.

Distinguish between direct and indirect costs in various contexts.

Recognize the impact of production level changes on costs and cost behavior.

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Definitions:

Opportunity Costs

Sacrificing potential profits from other possibilities when a certain option is selected.

Equity Capital

Funds raised by a company in exchange for a share of ownership in the company, often through the sale of stock.

Depreciation

The process of allocating the cost of a tangible or physical asset over its useful life, reflecting the decrease in value over time.

Economic Profit

Economic profit is the surplus that remains when total revenue exceeds the total costs, including both explicit and implicit costs.