![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The statement is false.
\After completing square, the equation is in the form ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=df309fbf2ead06d6cc234b7ee60a83ee.png\")
.
When ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cfc030641fc915ca6172af3df2311d67.png\")
it represents a circle in the graph.
When ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1dd24637054a9a9e5efee76ec66a6bc6.png\")
it represents a point in the graph.
There is no possibility for graph when ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e9c8b40bb19904d7fb00b18d2603fb55.png\")
, because the sum of two squares cannot be negative.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The statement is "False".