Find the Center and the Radius of the Circle

question 50

Multiple Choice

Find the center and the radius of the circle.
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• A) (8, 4), r = 4
• B) (-4, -8), r = 2
• C) (-8, -4), r = 2
• D) (4, 8), r = 4

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Definitions:

Asbestos

A group of naturally occurring fibrous minerals used in building materials, but known to cause lung diseases when inhaled.

Influenza

A highly contagious viral infection of the respiratory passages causing fever, severe aching, and often leading to serious complications.

Pleuritis

A condition in which the pleura become inflamed, which causes them to stick together. It can also cause an excess amount of fluid to form between the membranes.

Pneumoconiosis

Lung diseases that result from years of exposure to different environmental or occupational types of dust.