The Rectangular Coordinates of a Point Are Given $( 0,9 )$

question 21

Multiple Choice

The rectangular coordinates of a point are given. Find polar coordinates for the point.
- $( 0,9 )$

• A) \(( 9,0 )\)
• B) \(\left( 9 , - \frac { \pi } { 2 } \right)\)
• C) \(( 9 , \pi )\)
• D) \(\left( 9 , \frac { \pi } { 2 } \right)\)

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Definitions:

Osmosis

The diffusion of water across a semipermeable membrane such as a cell membrane.

Left Atrium

One of the four chambers of the heart, receiving oxygenated blood from the lungs and pumping it into the left ventricle.

Bicuspid

Referring to a tooth with two points (cusps), particularly the premolars in humans, or a valve with two flaps in the heart.

Left Ventricle

The chamber of the heart that receives oxygen-rich blood from the left atrium and pumps it to the body through the aorta.