The opposite of 9 is a number that have same absolute value as 9 but different sign.
Draw a number line to determine the opposite of 9. \ \
The absolute value of 9 and is same.
The opposite of 9 is .
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is same.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cb935b919c47b547ad3434666b8fb386.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
.