![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The line passes through the points ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9eebce2bcf67c51397c093750f7834f0.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f583d5134b71c94060ae0b33228c8ee7.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=a15dbd4b0a45c8fd96d9baaaedc6ec80.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8cc4749cbf647e8445386cba394743eb.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8359e7d652444b96b7c0eb698f59d22b.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ca0b3ecf69cdfe34256dba60c1beff8d.png\")
(Simplify)
Therefore, the slope of the line is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=00d4d2d749260f28371b04eb1a1ec2f0.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=00d4d2d749260f28371b04eb1a1ec2f0.png\")
.