Factor Completely $$x ^ { 4 } - 81$$ A) $\left( x ^ { 2 } + 9 \right) ( x - 3 ) ( x + 3 )$

question 132

Multiple Choice

Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
- $$x ^ { 4 } - 81$$

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

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Definitions:

Job Cost Sheet

A document that records the materials, labor, and manufacturing overhead costs assigned to each individual job or project.

Direct Labor

The work of factory employees that can be directly traced to the individual units of product.

Factory Overhead Applied

The allocation of estimated manufacturing overhead costs to individual units of production based on a predetermined rate.

Underapplied

A situation where the actual costs are higher than the costs applied or allocated, typically in manufacturing overhead.