Precalculus Examples

$[\begin{array}{c} 2 \\ 9 \\ 0 \end{array}] = [\begin{array}{c} x \\ y \\ 0 \end{array}]$

Step 1

The matrix equation can be written as a set of equations.

$2 = x$

$9 = y$

$0 = 0$

Step 2

Rewrite the equation as $x = 2$ .

$x = 2$

$9 = y$

Step 3

Rewrite the equation as $y = 9$ .

$y = 9$

$x = 2$

Step 4

List all of the solutions.

$y = 9, x = 2$