Practice: Expressing Linear Equations As Matrices

This page contains practice exercises for expressing linear equations as matrices.

1. Express the following set of linear equations as a matrix.

\begin{matrix} 2 x + 4 y = 6 \\ 2 x + 6 y = 8 \end{matrix}

3. Express the following set of linear equations as a matrix

\begin{matrix} 4 a - b = 4 \\ 5 a - 2 b = 2 \\ a + 3 b = 4 \end{matrix}

2. Express the following set of linear equations as a matrix

\begin{matrix} 2 x_{1} + x_{2} + 7 x_{3} = 5 \\ x_{1} + x_{2} + 5 x_{3} = 3 \end{matrix}

4. Express the following set of linear equations as a matrix

\begin{matrix} 3 r - s + t = 10 \\ 2 r + 4 t = 11 \\ 15 r = 0 \end{matrix}

See also