![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
\ \
\ \
The equation is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9b569dec993163e1798903971917b6ee.png\")
. \ \
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=934967fe41095ef3c2a8a4ffc79a9c98.png\")
\ \
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65753645b2d38e80325d527632b3e761.png\")
. \ \
General form of circle is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=55e0f6004480896da6884894cf38f6c2.png\")
. \ \
The equation is similar to the general form of circle. \ \
Here center of the circle is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74582b3d30145645005ae4c213045a56.png\")
and radius ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=07090fcade5766a44a41c7a67b77c328.png\")
. \ \
Observe the graphs: \ \
\The option ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=52979028be7bcecd31e761f18d0c223b.png\")
is the correct choice. \ \
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
\ \
The option is the correct choice. \ \