Expressions responses can be created by the *Expression & Formula* math question type.

Here is a basic example:

You can check how the question will be graded by going to the Preview Mode

where we have entered an incorrect answer.

Then click on "check answer" to see how the question will be graded:

The grading will check for mathematical equivalence, for example:

You can also limit the possible answers by selecting from the advanced options, or use a literal evaluation.

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