The line is raising the slope is positive.
To find the slope.
(Substitute )
(Subtract: )
The slope is .
![\"slope](\"http://www.mathskey.com/userfiles/image/Library/slope_of_a_line.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7c8d6d692199d3924ba3b2f9869d0b94.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7825f8eb79cd3707e8e6e8636e7bb9fc.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=373bc2466fc71e6e0bbcb1976f73e790.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=66752b90b0ea216eaa1b1aac054c6282.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c5c32e580842b3794c0717822404f8b2.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67d1b958c2a67380369c508ec6a5151a.png\")
.