The graph crosses the y - axis at , therefore y - intercept is b.
The y - coordinate of a point or b is called y - intercept.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ad5ae51e9516d5c34105446881de72d.png\")
, therefore y - intercept is b.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ad5ae51e9516d5c34105446881de72d.png\")
or b is called y - intercept.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
or b is called y - intercept.