Factor the Trinomial Completely $x ^ { 3 } - x ^ { 2 } - 20 x$

question 229

Multiple Choice

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."
- $x ^ { 3 } - x ^ { 2 } - 20 x$

• A) \(x ( x + 4 ) ( x - 5 )\)
• B) \(\left( x ^ { 2 } + 1 \right) ( x - 20 )\)
• C) \(x ( x + 5 ) ( x - 4 )\)
• D) prime

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Definitions:

Scatter Diagram

A visual depiction employing points to illustrate the connection between two numerical variables.

Cov(X,Y)

The covariance between two variables X and Y, measuring how changes in one variable are associated with changes in the other.

Sample Slope Coefficient

A parameter in a linear regression equation that represents the change in the dependent variable for a one-unit change in the independent variable.

Residual

The difference between the observed and the predicted value in a regression model.