Teachers can download digital worksheets for students to practice graphing two-variable linear equations. For example, click on the following link to see how students can manipulate slope and y-intercept to quickly see how their lines change on a graph:
Build and create interactive digital worksheets
GeoGebra allows students to create their own digital worksheets such as building 3D structures and graphing linear equations.
Check out this Youtube on how to get started:
GeoGebra can be downloaded to tablets, desktops and phones.
Here's the link to download GeoGebra: