Solve the Equation Using the Quadratic Formula $$2 x ^ { 2 } = - 8 x - 7$$

question 186

Multiple Choice

Solve the equation using the quadratic formula.
- $$2 x ^ { 2 } = - 8 x - 7$$

• A) \(\left\{ \frac { - 8 \pm \sqrt { 2 } } { 2 } \right\}\)
• B) \(\left\{ \frac { - 4 \pm \sqrt { 2 } } { 4 } \right\}\)
• C) \(\left\{ \frac { - 4 \pm \sqrt { 30 } } { 2 } \right\}\)
• D) \(\left\{ \frac { - 4 \pm \sqrt { 2 } } { 2 } \right\}\)

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Definitions:

Trade-In Allowance

The amount credited to the buyer by the seller when the buyer trades in an old item towards the purchase of a new item.

Retain Or Replace

A decision-making process regarding whether to keep an existing asset or replace it with a new one, considering aspects such as costs, benefits, and performance.

Relevant Cost

Costs that should be considered when making a decision because they will affect the future and they differ among alternatives.

Old Equipment

Tangible assets previously used in operations, possibly obsolete or near the end of its useful life.