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

question 156

Multiple Choice

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

• A) \(\left\{ \frac { - 5 - 3 \sqrt { 5 } } { 2 } , \frac { - 5 + 3 \sqrt { 5 } } { 2 } \right\}\)
• B) \(\left\{ \frac { - 5 - 3 \sqrt { 5 } } { 2 } \right\}\)
• C) \(\{ - 5 - 3 \sqrt { 5 } , - 5 + 3 \sqrt { 5 } \}\)
• D) \(\left\{ \frac { 5 + 3 \sqrt { 5 } } { 2 } \right\}\)

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Definitions:

Demand Curve

A chart that illustrates how the quantity of a product demanded is related to its price.

Supply Curve

A graphical representation of the relationship between the price of a good and the quantity supplied.

Quantity Supplied

Refers to the amount of a certain good or service that producers are willing and able to sell at a given price.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price level in a market.