What is the absolute value of the number –6?
Absolute value in the real number system is the distance from zero on the number line. It is always a positive number. Absolute value is always written as . Using this notation can be translated as “the positive value of ”.
Concept Problem Revisited
Remember the definition of absolute value in the real number system is the distance from zero on the number line. Let’s look at the distance from the –6 to zero.
3. . Remember that just because there is an absolute value in the problem doesn't mean that the answer is automatically positive!
Evaluate each of the following: