Solve the System $\left\{ \begin{array} { l } x - 6 y = 9 \\4 x - 5 y = 17\end{array} \right.$

question 218

Multiple Choice

Solve the system $\left\{ \begin{array} { l } x - 6 y = 9 \\4 x - 5 y = 17\end{array} \right.$ by matrices.

• A) (6,-1)
• B) (3,-1)
• C) \(\left( - \frac { 4 } { 7 } , 1 \right)\)
• D) (3,1)

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of values, indicating how much individual values differ from the mean.

Correlation

A statistic that measures the degree to which two variables move in relation to each other.

Nonlinear

A term describing the relationship between variables where the effect of changing one variable on another is not constant; it does not follow a straight line.

Spread

The difference between the highest and lowest values in a data set, indicating the variability.