방정식과 부등식 전체 문제

Solve a System of Linear Equations by Graphing

In the following exercises, solve the following systems of equations by graphing.

$\left\{\begin{array}{l}x+3y=4 \\ -2x-6y=3\end{array}\right.$

Solve a System of Linear Equations by Graphing

In the following exercises, solve the following systems of equations by graphing.

$\left\{\begin{array}{l}x=-3y+4 \\ 2x+6y=8\end{array}\right.$

Solve a System of Linear Equations by Graphing

In the following exercises, solve the following systems of equations by graphing.

$\left\{\begin{array}{l}4x=3y+7 \\ 8x-6y=14\end{array}\right.$

Solve a System of Linear Equations by Graphing

In the following exercises, solve the following systems of equations by graphing.

$\left\{\begin{array}{l}2x+\,y=6 \\ -8x-4y=-24\end{array}\right.$

Solve a System of Linear Equations by Graphing

In the following exercises, solve the following systems of equations by graphing.

$\left\{\begin{array}{l}5x+\,2y=7 \\ -10x-4y=-14\end{array}\right.$

Without graphing, determine the number of solutions and then classify the system of equations.

$\left\{\begin{array}{l}y=\frac{2}{3}x+1 \\ -2x+3y=5\end{array}\right.$

Without graphing, determine the number of solutions and then classify the system of equations.

$\left\{\begin{array}{l}y=\frac{3}{2}x+1 \\ 2x-3y=7\end{array}\right.$

Without graphing, determine the number of solutions and then classify the system of equations.

$\left\{\begin{array}{l}5x+3y=4 \\ 2x-3y=5\end{array}\right.$

Without graphing, determine the number of solutions and then classify the system of equations.

$\left\{\begin{array}{l}y=-\frac{1}{2}x+5 \\ x+2y=10\end{array}\right.$

Without graphing, determine the number of solutions and then classify the system of equations.

$\left\{\begin{array}{l}5x-2y=10 \\ y=\frac{5}{2}x-5\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}2x+y=-4 \\ 3x-2y=-6\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}2x+y=-2 \\ 3x-y=7\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}x-2y=-5 \\ 2x-3y=-4\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}x-3y=-9 \\ 2x+5y=4\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}5x-2y=-6 \\ y=3x+3\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}-2x+2y=6 \\ y=-3x+1\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}2x+5y=1 \\ y=\frac{1}{3}x-2\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}3x+4y=1 \\ y=-\frac{2}{5}x+2\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}2x+y=5 \\ x-2y=-15\end{array}\right.$

Solve a System of Equations by Substitution

In the following exercises, solve the systems of equations by substitution.

$\left\{\begin{array}{l}4x+y=10 \\ x-2y=-20\end{array}\right.$