Convert a Point from Polar to Rectangular Coordinates
- $\left( 9 , \frac { 3 \pi } { 4 } \right)$

question 220

Multiple Choice

Convert a Point from Polar to Rectangular Coordinates
- $\left( 9 , \frac { 3 \pi } { 4 } \right)$

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

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Definitions:

Dumbbells

A type of free weight used in weight training, which can be used individually or in pairs for various exercises.

Barbells

A long metal bar to which different weights can be attached for lifting exercises, used in strength training.

Muscle-fitness Program

A regimen of physical activities designed to strengthen and enhance the muscular system.

Isokinetic Training

A form of exercise involving controlled movements at a constant speed, often using specialized equipment.