Use a Graphing Utility to Find the Rectangular Coordinates of the Point

question 18

Multiple Choice

Use a graphing utility to find the rectangular coordinates of the point given in polar coordinates. Round your results to two decimal places. $\left( 7 , \frac { 11 \pi } { 9 } \right)$

• A) Rectangular coordinates: \(( - 5.36 , - 4.50 )\)
• B) Rectangular coordinates: \(( - 5.36,0.11 )\)
• C) Rectangular coordinates: \(( - 4.50 , - 5.36 )\)
• D) Rectangular coordinates: \(( - 5.36,4.50 )\)
• E) Rectangular coordinates: \(( 4.50 , - 5.36 )\)

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, minus the number of independent constraints.

Required Condition

A prerequisite or necessary condition that must be met for a certain procedure or operation to be carried out correctly.

Normally Distributed

Characterizes a probability distribution where the arrangement is mirror-imaged around the mean, suggesting that occurrences are more common near the mean than far from it.

Population Variances

A measure of the spread of a population's data points, representing the average of the squared differences from the population mean.