![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The line passes through the points ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67cc7f00879f513c0e6e3b2f69cd12e2.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f639eb78ada54ac181aa15e9456c2d8.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=5213533533ebf72e9c5a7909123a2b70.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=85d84a45a05e5b2148bf7166a8c6fe62.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ad07dfb72917ea748fb5942048453318.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0e895622c3c48f11c8661784b91e24ce.png\")
(Simplify)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9c169462ee9c761213f4543c77929493.png\")
(or) undefined (Simplify)
Therefore, the slope of the line is undefined.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The slope of the line is undefined.