y
= -25/2 (
x
+2)^2+5
\
\
\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3de6d0b2e305f6ab20b8c3070c923756.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be5e20207dfb589633a6ed696d3f5b3b.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=678ec73353165de935d034374650c117.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=06c64c1a77acc7c401ade22eaebb022e.png\")