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:

Sensitization Response

Sensitization response is a process where repeated exposure to a stimulus results in the progressive amplification of a response.

Electrical Stimulation

A therapeutic or research technique that involves applying electrical current to stimulate nerves, muscles, or brain areas.

Luigi Galvani

An 18th-century Italian physician and scientist known for his discovery of bioelectricity, especially in the context of muscle movement.

Gustave Fritsch

A nineteenth-century neuroscientist known for his pioneering work on the electrical stimulation of the brain.