Solve the Equation by Completing the Square $$x ^ { 2 } + 4 x = 7$$

question 1

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + 4 x = 7$$

• A) \[- 1 \pm \sqrt { 11 }\]
• B) \[- 2 \pm \sqrt { 11 }\]
• C) \[2 + \sqrt { 11 }\]
• D) \[- 2 \pm 2 \sqrt { 11 }\]

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Definitions:

Reciprocity Norm

A social norm that expects individuals to respond to others with similar kinds of behaviors they have received, contributing to the maintenance of social exchange.

Harm

Harm refers to physical injury, damage, or adverse effects on an individual's welfare or health.

Social Exchange Theory

A theory suggesting that social behavior is the result of an exchange process aiming to maximize benefits and minimize costs in relationships.

Altruistic Behavior

Refers to actions taken to benefit others without expecting any personal gain or reward.