Hi Cecilia,
1) yes it's possible to use mathematical formulas and symbols in the quiz. For more info see: http://docs.moodle.org/en/TeX_notation_filter
In Moodle 1.6 or later, the MimeTeX binary is shipped with Moodle for various platforms. Look under /filter/tex/ folder.
For further discussion you might want to post to Moodle "Mathematics Tools" forum:
http://moodle.org/mod/forum/view.php?id=752
2) Not sure what you meant by "unify" the format of text and symbols? Do you mean the font choice and size?
Hope this helps,
Wen
Quiz
formulas in multiple choice
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