Absolute Value

In mathematics, the absolute value of a number is its distance from zero on the number line, regardless of direction. It is denoted by two vertical bars surrounding the number

For a real number x

• [latex]\left|x\right|[/latex] = x
• [latex]\left|-x\right|[/latex] = x

Examples:

• [latex]\left|5\right|[/latex] = 5
• [latex]\left|-5\right|[/latex] = 5
• [latex]-\left|5\right|[/latex] = -5