Solve the Equation by Completing the Square $$x ^ { 2 } + 3 x - 9 = 0$$

question 4

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + 3 x - 9 = 0$$

• A) \(\left\{ \frac { - 3 - 3 \sqrt { 5 } } { 2 } \right\}\)
• B) \(\{ - 3 \pm 3 \sqrt { 5 } \}\)
• C) \(\left\{ \frac { - 3 + 3 \sqrt { 5 } } { 2 } \right\}\)
• D) \(\left\{ \frac { - 3 \pm 3 \sqrt { 5 } } { 2 } \right\}\)

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Definitions:

False Consensus Effect

The tendency to overestimate the extent to which others share our beliefs, attitudes, and behaviors.

Unconscious Mental Dynamics

Refers to the processes and interactions of mental elements within the mind that occur without conscious awareness, influencing thoughts, feelings, and behaviors.

Repressive Censoring

The act of suppressing unwelcome thoughts, feelings, or memories from consciousness, as a defense mechanism.

Parent-child Interaction

The dynamic and reciprocal communication and actions between a parent and child, which are crucial for the child's social, emotional, and cognitive development.