What two numbers have an absolute value of 9?

To find the two numbers that have an absolute value of a number, such as 9, picture a horizontal number line where you have postive numbers on the right side of 0 and negative numbers on the left side of 0.

The two numbers that have 9 as an absolute value are the numbers you get when you go 9 units from the right and left of the 0 on the number line.

When you go 9 units to the right on the positive side, you get 9 and when you go 9 units to the left on the negative side you get -9.

Therefore, the answer to "What two numbers have an absolute value of 9?" is: 9 and -9.

The absolute value of 9 is 9 and the absolute value of -9 is also 9. Here it is expressed mathematically with vertical lines that we call bars:

|9| = 9
|-9| = 9

For future reference, remember that the two numbers that have an absolute value of x are x and -x.

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What two numbers have an absolute value of 10?
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