Factor the Binomial Completely $x ^ { 4 } - 81$

question 68

Multiple Choice

Factor the binomial completely.
- $x ^ { 4 } - 81$

• A) \(\left( x ^ { 2 } - 9 \right) \left( x ^ { 2 } - 9 \right)\)
• B) \(\left( x ^ { 2 } + 9 \right) \left( x ^ { 2 } + 9 \right)\)
• C) \(\left( x ^ { 2 } + 9 \right) ( x + 3 ) ( x - 3 )\)
• D) prime

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Definitions:

Fixed Manufacturing Overhead

The portion of total manufacturing overhead costs that do not vary with the level of production or output.

Work in Process

Inventory account containing goods that are in the manufacturing process but are not yet complete.

Standard Costs

Predetermined or budgeted costs used for cost control and decision-making, serving as a benchmark for measuring performance.

Materials Price Variance

The difference between the actual cost of materials used in production and the expected (or standard) cost, reflecting changes in material prices.