Enable text based alternatives for graph display and drawing entry

Try another version of this question

Question 1
Given `vec v` = `<7,-9>` and `vec u` = `<-3,-7>`, find `vec v` + `vec u`.

`vec v` + `vec u` = <,>

X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]