Using the Matrix editor, it is possible to have questions where the answer contains many pieces of automatically gradable information. Of course the main intention is to make creating questions with matrices as the answer easy to implement, but the matrix entries are customizable to allow other uses. See question 215686 for a working example incorporating many of the functions.
...
f(x) = #textf2d=[0,0]#x2 +#textf2d=[0,1]#x+#textf2d=[1,0]#
If the input fields are not showing up on the same line, when you want them to, surround everything that should be on the same line with:
<span class="form-inline"> --Stuff that should be on the same line-- </span>