Finding Absolute Values of Rational Numbers

This video tutorial explains the concept of absolute value, which is the distance of a number from zero on a number line. It provides examples with both positive and negative numbers, demonstrating that absolute value is always positive. The tutorial also covers special cases like zero, decimals, fractions, and variables, emphasizing that the absolute value of any number or expression is its non-negative distance from zero.

What is absolute value and how is it represented on a number line?

How do you find the absolute value of -4?

Explain why the absolute value of any number is always positive.

What is the absolute value of 0 and why?

How is the absolute value of a decimal or fraction determined?