Substitute in slope formula.
(Subtract: )
The slope of the line that passes through the points is . \ \
![\"slope](\"/userfiles/image/Library/slope_of_a_line.gif\")
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=891bc775fa4e03931596572c6c7eeb6b.png\")
in slope formula.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0621f6019a3b12570e9242202015b001.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=43c0a6c1f11dfe55185cf0977c987c7e.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=64fd2e4a3207df857d39d42b9df8b754.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=99b87f5d9af3120a38d5e3d69bd40586.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=66af35e80f92dd12eefc8fb0fc632834.png\")
) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=76534c915c511ab4fa6a23cd52fbf3e7.png\")
. \ \