Substitute in slope-intercept form.
Slope-intercept form .
The slope of the line that passes through the points is "".
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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in slope-intercept form.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=33bfa1814f5e831d47c3855710d7826c.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=71108c9b3577d04b6b584c9845d42f61.png\")
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![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a051ab6f8e56c8bf3c27ba65f3355257.png\")
".