Solve the Quadratic Equation Using the Method That Seems Most $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

question 145

Multiple Choice

Solve the quadratic equation using the method that seems most appropriate to you. $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

• A) \(\left\{ \pm i \sqrt { 3 } , \pm \frac { 4 } { 3 } \right\}\)
• B) \(\left\{ i \sqrt { 3 } , \frac { 4 } { 3 } \right\}\)
• C) \(\left\{ \pm i \sqrt { 3 } , \frac { 4 } { 3 } \right\}\)
• D) \(\left\{ i \sqrt { 3 } , \pm \frac { 4 } { 3 } \right\}\)

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Definitions:

Reticular Activating System

A network in the brain responsible for regulating wakefulness and sleep-wake transitions.

Reticular Formation

The reticular formation is a complex network of nerve pathways within the brainstem that plays a key role in controlling arousal and consciousness.

Selective Attention

is the cognitive process of focusing on a particular object or task while ignoring irrelevant information or stimuli.

Alertness Changes

Variations in the state of being awake and responsive to stimuli.