Quiz

 
 
Picture of Marc Grober
Re: Inserting a math symbol with DragMath in quiz question
Group Particularly helpful Moodlers

And now, as per the docs, you would need to determine if your tex filter is working employing texdebug....  you will have noticed the little red crosses in the settings page

OR...  as I suggested, using MathJax instead.

 

 
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