There is a question type created specifically for graphing questions.
A few examples of the features:
- create points, segments, polygons, rays, vectors and other core objects
- create a the graph to match table of data, e.g. distance vs velocity table
- shade a region or plot an inequality, e.g. y > x +1
- create conic sections, e.g. circles, or hyperbolas
- place items on a grid
The authoring section is as follows: