91Ó°ÊÓ

Use an augmented matrix to solve each system of equations.

$\begin{array}{l}\mathbf{2}\mathbf{x}\mathbf{−}\mathbf{4}\mathbf{y}\mathbf{=}\mathbf{10}\\ \mathbf{x}\mathbf{+}\mathbf{2}\mathbf{y}\mathbf{=}\mathbf{5}\end{array}$

Use an augmented matrix to solve each system of equations.

$\begin{array}{l}\mathbf{x}\mathbf{−}\mathbf{4}\mathbf{y}\mathbf{=}\mathbf{11}\\ \mathbf{3}\mathbf{x}\mathbf{+}\mathbf{5}\mathbf{y}\mathbf{=}\mathbf{−}\mathbf{1}\end{array}$

Use an augmented matrix to solve each system of equations.

$\begin{array}{l}\mathbf{x}\mathbf{−}\mathbf{2}\mathbf{y}\mathbf{=}\mathbf{−}\mathbf{26}\\ \mathbf{2}\mathbf{x}\mathbf{−}\mathbf{3}\mathbf{y}\mathbf{=}\mathbf{−}\mathbf{42}\end{array}$

Use an augmented matrix to solve each system of equations.

$\begin{array}{l}x−3y=24\\ 5x−2y=29\end{array}$

Use an augmented matrix to solve each system of equations.

$\begin{array}{l}x−2y=−16\\ 3x+4y=72\end{array}$

Use an augmented matrix to solve each system of equations.

$\begin{array}{l}x+3y=12\\ 2x−4y=14\end{array}$

Mateo spent a total of \(36 on 10 art supply items. How many bottles of paint and paint brushes did Mateo buy?

Acrylic Paint - \)5

Paint Brushes - $1.50

Solve each system of inequalities by graphing.

$\begin{array}{l}x>3\\ y<x+2\end{array}$

Solve each system of inequalities by graphing.

$\begin{array}{l}y≤5\\ y>x−4\end{array}$

Solve each system of inequalities by graphing.

$\begin{array}{l}y<3x−1\\ yâ‰\yen −2x+4\end{array}$