Use Gauss-Jordan Row Reduction to Solve the System of Equations $\begin{array} { l } 9 x - 3 y = 24 \\- x + 2 y = 9\end{array}$

question 5

Multiple Choice

Use Gauss-Jordan row reduction to solve the system of equations. $\begin{array} { l } 9 x - 3 y = 24 \\- x + 2 y = 9\end{array}$

• A) \(( 7,5 )\)
• B) \(( 5,10 )\)
• C) \(( 7,7 )\)
• D) \(( 5,7 )\)
• E) \(( 6,7 )\)

---

Definitions:

Inequality

A relation that holds between two values when they are different, represented by symbols that show if one value is less than, greater than, or not equal to another value.

Real Number Line

A line that represents all real numbers in a continuous sequence, with positive numbers to the right of zero and negative numbers to the left.

Real Line

A one-dimensional space consisting of all the real numbers, visualized as a straight line where each point corresponds to a unique real number.

Inequality

A mathematical statement that shows the relationship between two expressions that are not equal, using symbols such as <, >, ≤, or ≥.