Solve the Equation $$\left( \frac { 7 } { x + 3 } \right) ^ { 2 } + \left( \frac { 7 } { x + 3 } \right) - 6 = 0$$

question 245

Multiple Choice

Solve the equation.
- $$\left( \frac { 7 } { x + 3 } \right) ^ { 2 } + \left( \frac { 7 } { x + 3 } \right) - 6 = 0$$

• A) \(\left\{ \frac { 16 } { 3 } , \frac { 1 } { 2 } \right\}\)
• B) \(\left\{ - \frac { 16 } { 3 } , \frac { 1 } { 2 } \right\}\)
• C) \(\left\{ \frac { 16 } { 3 } , - \frac { 1 } { 2 } \right\}\)
• D) \(\left\{ - \frac { 16 } { 3 } , - \frac { 1 } { 2 } \right\}\)

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Definitions:

Industrial/Organizational Psychologists

Psychologists specializing in the application of psychological principles and techniques to workplace environments, issues, and behaviors.

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A treatment approach, based on the principles of operant conditioning, that replaces undesirable behaviors with more desirable ones through positive or negative reinforcement.

Yerkes-Dodson Law

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Task Difficulty

The level of challenge presented by a task, which can influence a person's performance and effort required to complete it.