Find Only the Rational Zeros $$f ( x ) = x ^ { 5 } - 5 x ^ { 4 } + 5 x ^ { 3 } + 15 x ^ { 2 } - 36 x + 20$$

question 55

Multiple Choice

Find only the rational zeros.
- $$f ( x ) = x ^ { 5 } - 5 x ^ { 4 } + 5 x ^ { 3 } + 15 x ^ { 2 } - 36 x + 20$$

• A) \(- 1,2 , - 2\)
• B) \(1,2,3\)
• C) \(1,2 , - 2\)
• D) No rational zeros

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Definitions:

T Distribution

A probability distribution used in statistics that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Sample Size

The number of observations or data points that are used in a statistical sample.

Margin of Error

An expression of the amount of random sampling error in a survey's results, which describes the range that the true value lies within with a certain level of confidence.