Solve the Polynomial Equation $$x ^ { 3 } - 8 x ^ { 2 } - x + 8 = 0$$

question 126

Multiple Choice

Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational
roots.
- $$x ^ { 3 } - 8 x ^ { 2 } - x + 8 = 0$$

• A) \(\{ 1 , - 1,8 \}\)
• B) \(\{ - 1,2 , - 4 \}\)
• C) \(\{ 1,2,4 \}\)
• D) \(\{ 1 , - 1 , - 8 \}\)

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Definitions:

Null Hypothesis

A default hypothesis that there is no effect or difference, used as a starting point for statistical significance testing.

Confidence Interval

A range of values, derived from the sample data, that is likely to contain the true population parameter with a certain level of confidence.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or a data set, after a certain number of restrictions have been applied to all data points.

Dependent Populations

Populations in which the members of one sample are related or matched to the members of the other samples.