Evaluate the Radical Expression for the Given Value of the Variable

question 21

Multiple Choice

Evaluate the radical expression for the given value of the variable. If the square root does not exist select not real as the answer. for

---

Definitions:

Y-Intercept

The y-intercept of a line or curve on a graph is the point at which it crosses the y-axis, indicating the value of the dependent variable when all independent variables are zero.

Slope

In the context of linear regression, the slope indicates the change in the dependent variable for each unit change in the independent variable.

Least Squares Regression Line

A straight line that best fits the data according to the method of least squares, minimizing the sum of the squares of the differences between observed and predicted values.

Actual Value

The true value of a parameter or measurement, often unknown in practice and estimated from data.