Use Matrices to Solve the System of Equations (If Possible) $$\left\{ \begin{array} { l } x + 2 y = 6 \\2 x + y = 9\end{array} \right.$$

question 28

Multiple Choice

Use matrices to solve the system of equations (if possible) .Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.​ $$\left\{ \begin{array} { l } x + 2 y = 6 \\2 x + y = 9\end{array} \right.$$ ​

• A)​(1,4)
• B)​(3,4)
• C)(1,12)
• D)(4,1)
• E)(12,4)

---

Definitions:

Self-Esteem

An individual’s overall subjective emotional evaluation of their own worth.

Competent

Refers to having the necessary ability, knowledge, or skill to perform a task or job successfully.

Extrinsic

Originating from or motivated by external factors outside of the individual's own self, often relating to rewards or outside recognition.

Willingness

The quality or state of being prepared to do something; readiness.