The points is S(, ), T(, 8)
Substitute in slope formula.
(Product of two same signs is positive)
(Add: )
The slope is undefined
The slope is undefined.
![\"slope](\"http://www.mathskey.com/userfiles/image/Library/slope_of_a_line.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cb935b919c47b547ad3434666b8fb386.png\")
, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=76e92fb6e9a58c730f1bd5261079a078.png\")
), T(![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cb935b919c47b547ad3434666b8fb386.png\")
, 8)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8976b819861fe8f9dbfede6252bfe3a0.png\")
in slope formula.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aa8d3d5ddf8ee59e66128693582606fb.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4c04f83684066334af10a33fbeea627f.png\")
(Product of two same signs is positive)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0356cc00a441ee9a0e5b3798f9a66870.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=00b857d10517b1373dae1d9df3bedc5d.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bbe7daf66fc47e9f3493086d9b3951c4.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f31b9a16881333776c3a18e2a85c6aa.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")