The points are .
Substitute the values in slope formula.
(Product of two same signs is positive)
(Add: )
(Subtract: 3 5.2 = 2.2)
(Divide: )
The slope is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=adea6856ef46e735474a6d45ec5be1b3.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12410cb9ff70ede8bcf70161bd84fd66.png\")
in slope formula.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e9a0a3aa313d3feb7ab972ca25d1e892.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de095c29c771080214cf1732a3e7af2f.png\")
(Product of two same signs is positive)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4ff5cf65f0aee24001bd2b22fba68e5a.png\")
(Add: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ffee442d1196aeb691d326b62bda6b5e.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=84edbc5f76d067c572b468a7451c0a11.png\")
(Subtract: 3 ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ea6da5ad035c76c5fa4c88cf6268e03.png\")
5.2 = 2.2)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=508961344f95258cc21fd17797ac5a51.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c46c8f19e6e274590d119712311fe69b.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
.