![\"\"](\"../../../../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=79f6bc7934f44fe40a6e9ea3187aeb5b.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d8d56aa866d16fb675fbf88155985eed.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cbafad4dd0f12c8c78c31fcb853af87e.png\")
(Simplify)
![\"\"](\"../../../../userfiles/image/steps_images/step2.JPG\")
The line crosses the y-axis at (0, 0). So the y-intercept is 0.
\Substitute ![\"\"](\"../../../../test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cbafad4dd0f12c8c78c31fcb853af87e.png\")
and b = 0 in slope-intercept form line equation.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=40f7c7df1f7e856da72790aa34632b2b.png\")
\\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b0a072cff50ea9059dc65651eb6a69f5.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=17a5595028aaa573258798d54e98141f.png\")