Solve the Equation by Completing the Square

question 88

Multiple Choice

Solve the equation by completing the square.
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Definitions:

Blood PH

The measure of the acidity or alkalinity of blood, maintained within a tightly controlled range of about 7.35 to 7.45 to ensure proper cellular function.

Cough Reflex

A rapid expulsion of air from the lungs typically triggered by irritation or obstruction in the air passages, serving as a protective mechanism to clear the trachea and bronchi.

Mucus

A slimy substance produced by mucous membranes and glands for lubrication and protection of various internal body surfaces.

Upper Respiratory Tract

Nasal cavity, pharynx, and associated structures.