![\"slope](\"http://www.mathskey.com/userfiles/image/Library/slope_of_a_line.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Since the line is raising the slope is positive.
\Next, find the slope.
\![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7c8d6d692199d3924ba3b2f9869d0b94.png\")
Substitute –1 for y2, 5 for y1, 4 for x2, and 1 for x1 in slope formula.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bfabbd9f5ea60533ed13f9f5437752ad.png\")
(Simplify)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=96bf16e534387ed0edc12d0c3fce37e1.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3cfc64d40e51005ba6745fdcfb3e94ac.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=266dc789897915d46107de2b2a0fe0c2.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a4a123775d6ab71ce0f85fef6c25f836.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Slope is negative and slope is –2.