91影视

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

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

In the following exercises, translate to a system of inequalities and solve.

Annie has a budget of \(600 to purchase paperback books and hardcover books for her classroom. She wants the number of hardcover to be at least 5 more than three times the number of paperback books. Paperback books cost \)4 each and hardcover books cost $15 each.

鈸� Write a system of inequalities to model this situation.

鈸� Graph the system.

鈸� Can she buy 8 paperback books and 40 hardcover books?

鈸� Can she buy 10 paperback books and 37 hardcover books?

$$\begin{gathered} x鈭�4y=鈭�8 \\ 2x+5y=10 \end{gathered}$$

$鈸�(0,2)鈸�(4,3)$

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

$$\begin{gathered} x鈭�y=5 \\ x+2y=鈭�4 \end{gathered}$$

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

$$\begin{gathered} x鈭�y>鈭�2 \\ y鈮�3x+1 \end{gathered}$$

In the following exercises, solve each system of equations. Use either substitution or elimination.

$$\begin{gathered} 3x鈭�2y=3 \\ y=2x鈭�1 \end{gathered}$$

In the following exercises, solve each system of equations. Use either substitution or elimination.

$$\begin{gathered} x+y=鈭�3 \\ x鈭�y=11 \end{gathered}$$

In the following exercises, solve each system of equations. Use either substitution or elimination.

$$\begin{gathered} 4x鈭�3y=7 \\ 5x鈭�2y=0 \end{gathered}$$

In the following exercises, solve each system of equations. Use either substitution or elimination.

$$\begin{gathered} y=鈭�\frac{4}{5}x+1 \\ 8x+10y=10 \end{gathered}$$

In the following exercises, solve each system of equations. Use either substitution or elimination.

$$\begin{gathered} 2x+3y=12 \\ 鈭�4x+6y=鈭�16 \end{gathered}$$