Solve by the Quadratic Formula $$x ^ { 2 } + 7 x + 3 = 0$$

question 3

Multiple Choice

Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.
- $$x ^ { 2 } + 7 x + 3 = 0$$

• A) \(x = \frac { - 7 \pm \sqrt { 37 } } { 14 }\)
• B) \(x = \frac { 7 \pm \sqrt { 37 } } { 2 }\)
• C) \(x = \frac { - 7 \pm \sqrt { 37 } } { 2 }\)
• D) \(x = \frac { - 7 \pm \sqrt { 61 } } { 2 }\)

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Definitions:

Equilibrium Price

The market price at which the quantity of a good supplied is equal to the quantity demanded, resulting in market equilibrium.

Marginal Cost

The augmentation in total cost triggered by the creation of one further unit of a product or service.

Equilibrium Price

The price at which the quantity of a good demanded by consumers equals the quantity supplied by producers, leading to a state of market equilibrium.

Equilibrium Price

The cost at which the amount of a product that buyers want to purchase matches the amount that sellers are willing to supply, creating equilibrium in the market.