Observe the graph, the slope is and the point is .
Substitute the values of in the point - slope form of the equation .
The point - slope form of the equation is .
The option B is correct answer.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=089e1856a5ab37ada19577a3ba994858.png\")
and the point is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b923a8ef094288a5c8f430897ef1c2ce.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=686feed53fb1cb4fb924389098b5698f.png\")
in the point - slope form of the equation ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e9c42532ed891f95c052b0dbb9e26392.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe186d70b7c8f654aecc3b1b159c2611.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")