Question

The 2 equations $y_1=2x_1+3x_2$ and $y_2=x_1+2x_2$ can be expressed in multiplication form.

• A. Only variables
• B. Matrix
• C. Determinant

Answer 1

The correct option is B Matrix

The two equations can be expressed in the matrices multiplication form.
We can write as below:
$\left[\begin{array}{c}{y}_1\\ y_2\end{array}\right]=\left[\begin{array}{cc}2& 3\\ 1& 2\end{array}\right]$ $\left[\begin{array}{c}{x}_1\\ x_2\end{array}\right]$