Solve the Equation by Factoring $$x ^ { 2 } + 2 x - 63 = 0$$

question 242

Multiple Choice

Solve the equation by factoring.
- $$x ^ { 2 } + 2 x - 63 = 0$$

• A) \(\{ - 9,7 \}\)
• B) \(\{ 9,7 \}\)
• C) \(\{ - 9,1 \}\)
• D) \(\{ 9 , - 7 \}\)

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Definitions:

Variable Costs

Costs that vary directly with the level of output or production activity, such as raw materials and direct labor expenses.

Break-Even Point

The point at which total costs equal total revenue, meaning there is no net loss or gain.

Variable Costs

Costs that vary in proportion with the level of goods or services produced or sold.

Fixed Costs

Costs that do not vary with the level of output or sales, such as rent, salaries, and insurance premiums.