Simplify the Expression $- \sqrt [ 3 ] { \frac { 7 x } { y } }$

question 275

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $- \sqrt [ 3 ] { \frac { 7 x } { y } }$

• A) \(- \frac { \sqrt [ 3 ] { 7 x ^ { 2 } y ^ { 2 } } } { y }\)
• B) \(- \frac { \sqrt [ 3 ] { 7 x y ^ { 2 } } } { y }\)
• C) \(- \frac { \sqrt [ 3 ] { 7 x ^ { 2 } y } } { y }\)
• D) \(- \frac { \sqrt [ 3 ] { 7 x y } } { y }\)

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Definitions:

Sample Mean

The average value of a set of observations derived from a sample.

Standard Deviation

An indicator of the spread or distribution range of a collection of data points, showing how far apart the values in the set are from each other.

Margin of Error

The maximum amount by which the sample results are expected to differ from the true population value.

Normally Distributed

Describes a distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.