![\"\"](\"../../../../userfiles/image/steps_images/step1.JPG\")
The line equation in slope-intercept form is ![\"\"](\"../../../../test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f9e1f9dbeabd92e647903d305475a7b1.png\")
,
where m is the slope and b is the y-intercept.
\First find the slope,
\![\"\"](\"../../../../test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3113839441e3480450ece8dbc4b861da.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=404f9f050af3e737bb3ba4f3fa2b496f.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=63a48fd84058b4913ffe2a8d9755594e.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c5b3969c43838685f4e438cc92a43439.png\")
(Simplify)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e75480f596def7d0f776add6cc7dbb80.png\")
(Divide:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d172c8fb47482e777838469618b1ffb3.png\")
)
![\"\"](\"../../../../userfiles/image/steps_images/step2.JPG\")
The line crosses the y-axis at (0, -24). So the y-intercept is -24.
\Substitute m = -4 and b = -24 in slope-intercept form line equation.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5a271d100ff09d31e6bfa0428a844e58.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=088f730fe435c58f09ce320254069763.png\")
![\"\"](\"../../../../userfiles/image/steps_images/solution.JPG\")
The slope-intercept form of the line equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b2b2047a631e842492d2954babcb08c8.png\")