You can use the Inequality Graphing Application to:
We will find the solution to the system of inequalities shown here. The first two will have to be solved for y in order to enter them into the graph editor. 

Select the application. 

Open the application and you will be taken to the graph editor window. 

Move the cursor over the = sign. The symbols in the menu at the bottom are accessed via F1F5 by pressing and then the number you wish. 

Press [F3] for Y1 and Y2. Press [F5] for Y3. Enter the values shown. Notice the shading shown to the left of the equation name. 

To enter the inequality, move the cursor to the X= and press ENTER to access the X= editor. Put the inequality in as shown. 

Set the window.  
Now press .  
Press [F1] to access the Shades menu. 

Select the 1: Ineq Intersection option. This will show the area of intersection. You can also have the union shaded if you want that to be shown. 

Press [F3] and you can find the intersection points. Use the cursor to move to each of the intersection points. 