Solve $x ^ { 2 } + 28 = 0$ By the Square Root Property

question 4

Multiple Choice

Solve $x ^ { 2 } + 28 = 0$ by the square root property.

• A) \(\{ \pm 7 i \sqrt { 2 } \}\)
• B) \(\{ \pm 2 i \sqrt { 7 } \}\)
• C) \(\{ \pm 7 \sqrt { 2 } \}\)
• D) \(\{ \pm 2 \sqrt { 7 } \}\)

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Definitions:

Direct Labor

The cost of wages for employees who are directly involved in the manufacturing or production of goods.

Factory Overhead

All indirect costs associated with manufacturing beyond direct materials and direct labor, such as utilities, maintenance, and depreciation.

Prime Costs

The direct costs of manufacturing an item, which typically include direct labor and direct materials.

Factory Overhead Costs

Costs incurred from running a manufacturing plant that cannot be directly associated with any particular product, such as utilities, depreciation, and maintenance expenses.