Find All Real Zeros of the Polynomial $p ( x ) = x ^ { 4 } - 9 x ^ { 2 } + 20$

question 36

Essay

Find all real zeros of the polynomial $p ( x ) = x ^ { 4 } - 9 x ^ { 2 } + 20$ . Use the quadratic formula if necessary.

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Definitions:

Bulimia

A severe eating disorder characterized by episodes of binge eating followed by inappropriate methods of weight control, such as vomiting or excessive exercise.

Behavioral Extreme

Refers to actions or behaviors that are significantly outside the norm, either in intensity, frequency, or type.

Dopamine Synapses

Connections between neurons where dopamine, a neurotransmitter, is released, affecting mood, motivation, and movement.

Central Nervous System

Consists of the brain and spinal cord, responsible for processing sensory information and coordinating body functions.