![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The inequality is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de788c10f4050e9c46884c9a5b055565.png\")
.
Consider .
Take the square root of each side
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=abc82cf34ebc3977ceed72bbf73b6387.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=93e74595ff382a470221377ded295565.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b63f20a15ee93f75f3330f261b35d55.png\")
.
The solution set is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ba4086c25ea6f76f52a74f011a0188f.png\")
.
The solution set is all real numbers that are less than or equal 4 and greater than or equal to negative 4.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Graph the solution on the real number line.
\Graph :
\![\"graph](\"/userfiles/Alg_Tri_page_157_prob_14.gif\")
Note : The closed circle means the numbers 4 and negative 4 included in the solution set.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The solution set is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ba4086c25ea6f76f52a74f011a0188f.png\")
.
Graph :
\