What is the absolute value of the number –6?
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Guidance
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
Example A
Solution:
Example B
Solution:
Example C
Solution:
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.
Therefore
Vocabulary
 Absolute Value

Absolute value in the real number system is the distance from zero on the number line. It is always a positive number and is represented using the symbol
x .
Guided Practice
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Answers:
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Practice
Evaluate each of the following:

−4.5=? 
−1=? 
∣∣−13∣∣=? 
4=? 
−2=? 
−1+3=? 
5−−2=? 
∣∣−12∣∣+∣∣−23∣∣=? 
−2.4−−1.6=? 
−3−−2.4=? 
2−4=? 
5−6=? 
∣∣−12−56∣∣=? 
2.3−3.7=? 
7.8−9.4=?