Find the Solution to the System of Equations by Substitution

question 8

Multiple Choice

Find the solution to the system of equations by substitution.
-y = 3x + 3 y = 8x + 2

---

Definitions:

Coefficient of Determination

A statistical measure, often denoted as R^2, that represents the proportion of the variance for a dependent variable that's explained by one or more independent variables in a regression model.

Slope

The rate of change in the dependent variable for a unit change in the independent variable in a linear relationship.

Regression Line

A line of best fit through a scatterplot of data points in regression analysis, showing the relationship between the independent and dependent variables.

Positive

A term often used in statistics to denote a value or outcome that is above zero or indicates the presence of a condition or characteristic.