![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The line passes through the points ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ba428885a2e0c77a85f486eafb739d4.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=75d39aea81b6f58db60b49e7dfaba70c.png\")
.
Find the slope. \ \
\![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1b8fa3742e0dad8ee9b0bd9558fa63d7.png\")
.
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=34d3b8eea1b2accb4b39d3186fe1a88c.png\")
(Formula for slope)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ad1cfb321427bbe4e0107e1645a8b06c.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=160bd7a85f9ad1d676028e513d82693a.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c49edc1e5cd3fb50c97d4710c1b2e6c0.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1a48e5194644a1cc8f647b268607ff64.png\")
(Simplify)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c44ea891b5dbd1a71d719bab632e3463.png\")
(or) undefined
Therefore, the slope is undefined.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The slope is undefined.