Define Absolute Value: Define the absolute value of a real number. The absolute value of a real number is the distance of that number from zero on the number line, regardless of direction. For any real number x, |x| is defined as x if x is positive or zero, and -x if x is negative.Apply to Number 9: Apply the definition of absolute value to the number 9. Since 9 is a positive number, its absolute value is simply 9 itself.Confirm No Errors: Confirm that there are no mathematical errors. There are no calculations to perform since the number is already positive, so there is no chance of a math error in this step.

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What is $|9|$ ?

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Algebra 2

Absolute values of complex numbers

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Q. What is

|9|

Define Absolute Value: Define the absolute value of a real number. The absolute value of a real number is the distance of that number from zero on the number line, regardless of direction. For any real number $x$ , $|x|$ is defined as $x$ if $x$ is positive or zero, and $-x$ if $x$ is negative.
Apply to Number $9$ : Apply the definition of absolute value to the number $9$ . Since $9$ is a positive number, its absolute value is simply $9$ itself.
Confirm No Errors: Confirm that there are no mathematical errors. $\newline$ There are no calculations to perform since the number is already positive, so there is no chance of a math error in this step.