Solve the System by Solving One of the Equations for X

question 217

Short Answer

Solve the system by solving one of the equations for x or y and then use the substitution method. If the system is dependent or inconsistent , or if there is no solution , indicate this.

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Definitions:

Variance

A statistical measurement that represents the dispersion of a dataset relative to its mean, used to quantify the spread of data points.

Regression

A statistical method for estimating the relationships among variables, often used for prediction and forecasting in finance.

Correlation Coefficient

A statistical measure that calculates the strength of the relationship between two variables, ranging from -1 to 1, where 1 indicates a perfect positive correlation and -1 indicates a perfect negative correlation.

Standard Deviation

A statistical measure that represents the dispersion or variability of a data set or investment returns, indicating how much the values in the set deviate from the mean.