How do I create a Desmos logarithm function item?
In Mastery Connect, if your institution has a paid Desmos upgrade, you can create a Desmos logarithm function item. A Desmos logarithm function question requires students to graph a logarithm function by moving points on the curve. After you select the question type, you can use the math editor to add details for the question, view a student preview, and validate answers.
You can create any item type through the Item Editor. You can also use the Item Editor to add passages, add item-level tools, and save the item. To open and use the Item Editor, learn more about:
- Creating an item in your personal item bank
- Creating an item in the district item bank as an administrator
- Creating an item from within an assessment
Note: If you do not see the Desmos Items (Paid Upgrade) section in the Question Type drop-down menu, your institution does not have a paid Desmos upgrade.
Compose Question
![Compose Question](https://media.screensteps.com/image_assets/assets/007/702/012/original/f0c4d678-0f35-4370-bb4a-8e349bf10ff0.png)
To add question details in the assessment editor, type in the Compose question field [1]. To add math equations and expressions, click the Add Math icon [2] and use the options to enter the expression details.
Set Example Answer
![Set Example Answer](https://media.screensteps.com/image_assets/assets/007/702/014/original/6bee84b5-3bde-43be-bf49-9bab0cc98e6b.png)
To set an example answer, click and drag the points of the function to the correct positions.
Set Properties
![Set Properties](https://media.screensteps.com/image_assets/assets/007/702/016/original/c348e5a3-5f81-4821-bd8a-e5a3e61598c5.png)
To adjust the question parameters, select options from the question properties [1].
To view additional question options, click the More options drop-down menu [2].
Modify Graph and More Options
![Modify Graph and More Options](https://media.screensteps.com/image_assets/assets/007/702/742/original/7134205d-fb12-4692-97e2-1bb478031d91.png)
In the Modify Graph section, click and drag the points to create a graph for students to start with when answering the question [1]. You can modify graph settings, expressions, and parameters.
To define parameters for the graph, type in the Expression fields [2].
To adjust font size, click the Font size drop-down menu and select a size option [3].
Validate Answers
![Validate Answers](https://media.screensteps.com/image_assets/assets/007/702/747/original/959cc763-330e-459a-90fa-30076c0fa3f5.png)
The Preview pane displays the question as it will be seen and interacted with by students.
To test the auto-grading tool, click and drag the points [1]. When the correct answer is configured, the Points icon will be shaded [2].
To view the correct answer in the Preview pane, click the Show Answers checkbox [3].