![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The line passes through the points ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=015468518262260c97eacf81e5ab27fb.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e2da6ba244a638ea70cd74df497a7527.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=8b37f1a46b3b04000aa54b4a143bf7bf.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=730e69d91baffb4cd820bd0752005d35.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b605b6890dd4f32c5f0459ca21b5b5d4.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bd2a7b69d932e11318e0eb504a808981.png\")
(Simplify)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2848ada4e2d6a2c803e2d6c41bf1f773.png\")
(Simplify)
Therefore, the slope of the line is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=89d533c260fba273a4951afd687463c3.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The slope of the line is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=89d533c260fba273a4951afd687463c3.png\")
.