Solve the Problem $\mathrm { P } = ( - 6 , - 9 )$

question 93

Multiple Choice

Solve the problem.
-If $\mathrm { P } = ( - 6 , - 9 )$ and $\mathrm { Q } = ( \mathrm { x } , - 105 )$ , find all numbers $\mathrm { x }$ such that the vector represented by $\overrightarrow { \mathrm { PQ } }$ has length $- 120$ .

• A) \(\{ 66 , - 78 \}\)
• B) \(\{ 78 , - 78 \}\)
• C) \(\{ 66 , - 84 \}\)
• D) \(\{ 78,66 \}\)

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Definitions:

Fixed Costs

Charges that are unaffected by production or sales volume, for example, monthly rent or payroll expenses.

Selling Price

The price at which a product or service is offered to customers.

Contribution Margin Ratio

The percentage of sales revenue that exceeds variable costs, indicating the portion of sales available to cover fixed costs and generate profit.

Fixed Costs

Expenses that do not fluctuate with changes in production level or sales volume, such as lease payments, salaries, and insurance.