![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The number is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0b617c330b878a641f78a07be53300c2.png\")
. Radicand is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=56e7b528b3aeb37dc4bafceb2b76b141.png\")
.
The square root of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d7fa815ba13ff624a99a9ba6cc071599.png\")
is not a perfect square and the decimal (![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4e4b95f69153541aafdaae9f441e0a12.png\")
) of the number is not repeating, so the number ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0b617c330b878a641f78a07be53300c2.png\")
is an irrational number (I).
§ Observe the Venn diagram:
\§ All irrational numbers (I) are real numbers (R). ![\"\"](\"/userfiles/image/Library/Algebra%202/number%20chart_Alg2_pa14_p1.gif\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
\
The number belongs to I, and R.