Slope of the line
\The slope of a non-vertical line through any two points is given by
\ ![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=19ffa8720753eee5319ef81ceb0276cf.png\")
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Slope of the line \ | \
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The slope of a non-vertical line through any two points is given by \ | \
![\"\"](\"http://c4anything.com/userfiles/image/steps_images/step1.JPG\")
Substitute ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1968fca53b36ed98a2e5da5819203e13.png\")
in slope formula.
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=231a49fc71d69e69404a70a100f716b1.png\")
\
According to Additive identity property: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5242d76335a8af4b5a493d4752c5108a.png\")
.
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=53b356cd7834f97a741845157b53a994.png\")
![\"\"](\"http://c4anything.com/userfiles/image/steps_images/solution.JPG\")
The slope of the line that passes through the points is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bfca901f01f177566d12bdfb911dc0e6.png\")