Solve the Cubic Equation Using Factoring and the Quadratic Formula $$\mathrm { x } ^ { 3 } + 64 = 0$$

question 176

Multiple Choice

Solve the cubic equation using factoring and the quadratic formula.
- $$\mathrm { x } ^ { 3 } + 64 = 0$$

• A) \(\{ - 4,2 \pm 2 \mathrm { i } \sqrt { 3 } \}\)
• B) \(\{ - 4 , - 2 \pm 2 \mathrm { i } \sqrt { 6 } \}\)
• C) \(\{ - 4 , - 2 \pm 2 i \}\)
• D) \(\{ - 4,2 \pm 2 \mathrm { i } \sqrt { 5 } \}\)

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Definitions:

Cost Control

A process of managing and regulating the expenses of operating a business to maximise profitability.

Traditional Income Statement

A traditional income statement is a financial document that reports a company's financial performance over a specific period, showing revenues minus expenses to reveal net income or net loss.

Contribution Margin Format

A format of income statement that separates variable costs from fixed costs to calculate contribution margin, which helps in analyzing profitability.

Absorption Costing

A financial accounting approach that encompasses all expenses of manufacturing, like direct materials, direct labor, along with variable and fixed overhead costs, into the pricing of a product.