Solve the Equation by Completing the Square $$z ^ { 2 } + 10 z + 4 = 0$$

question 3

Multiple Choice

Solve the equation by completing the square.
- $$z ^ { 2 } + 10 z + 4 = 0$$

• A) \(5 \pm \sqrt { 4 }\)
• B) \(5 + \sqrt { 21 }\)
• C) \(- 5 \pm \sqrt { 21 }\)
• D) \(- 10 + \sqrt { 4 }\)

---

Definitions:

Alarm Reaction

The initial stage in the body's response to stress, involving the immediate activation of the sympathetic nervous system and the release of stress hormones.

General Adaptation Syndrome

A three-stage response model (alarm, resistance, exhaustion) describing the body's short-term and long-term reactions to stress.

Hans Selye

A pioneering Hungarian-Canadian endocrinologist who is known for his research on the stress response and for introducing the concept of General Adaptation Syndrome.

Meyer Friedman

A cardiologist known for co-developing the theory that the Type A behavior pattern increases the risk of heart disease.