Solve by the Substitution Method $$\begin{array} { l } 8 x + 17 = 9 y \\- 6 x - 2 y = 4\end{array}$$

question 22

Multiple Choice

Solve by the substitution method.
- $$\begin{array} { l } 8 x + 17 = 9 y \\- 6 x - 2 y = 4\end{array}$$

• A) \(( - 1,2 )\)
• B) No solution
• C) \(( - 2,2 )\)
• D) \(( - 1,1 )\)

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Definitions:

Independent Variable

A variable in a scientific experiment that is manipulated or changed to test its effects on the dependent variable.

Coefficient of Correlation

A numerical measure that indicates the strength and direction of a linear relationship between two variables.

Coefficient of Variation

A measure of relative variability computed as the ratio of the standard deviation to the mean, often expressed as a percentage.

Covariance

A measure indicating the extent to which two variables change together, signifying the direction of their linear relationship.