Solve the Equation by Completing the Square $$5 x ^ { 2 } - 2 x - 2 = 0$$

question 44

Multiple Choice

Solve the equation by completing the square.
- $$5 x ^ { 2 } - 2 x - 2 = 0$$

• A) \(\left\{ \frac { 5 - \sqrt { 11 } } { 25 } , \frac { 5 + \sqrt { 11 } } { 25 } \right\}\)
• B) \(\left\{ \frac { - 1 - \sqrt { 11 } } { 5 } , \frac { - 1 + \sqrt { 11 } } { 5 } \right\}\)
• C) \(\left\{ - 2 , \frac { 12 } { 5 } \right\}\)
• D) \(\left\{ \frac { 1 - \sqrt { 11 } } { 5 } , \frac { 1 + \sqrt { 11 } } { 5 } \right\}\)

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Definitions:

Ending Inventory

The worth of merchandise on hand for purchase at the conclusion of a financial period.

Equivalent Units

Equivalent units are a calculation in process costing that converts partially completed units into a number of equivalent fully completed units.

Weighted-Average Method

A cost flow assumption used in inventory valuation and process costing that smooths out price variations by averaging the costs.

Materials

The physical components used in the production of goods, including both raw inputs and manufactured parts.