The Rectangular Coordinates of a Point Are (5

question 3

Multiple Choice

The rectangular coordinates of a point are (5.00, y) and the polar coordinates of this point are (r, 67.4°) . What is the value of the polar coordinate r in this case?

• A) 1.92
• B) 4.62
• C) 12.0
• D) 13.0
• E) More information is needed.

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Definitions:

Electronystagmography

A diagnostic test to record involuntary movements of the eye (nystagmus) caused by a condition or as a response to a test.

Auditory-evoked Response

An electrical potential in response to an auditory stimulus, used to assess hearing and brainstem function.

Tympanometry

A diagnostic test that measures the movement of the eardrum in response to changes in air pressure, indicating middle ear function.

Otoscopy

A visual examination of the ear canal and eardrum using an otoscope.