Math Problem Statement
Evaluate the absolute values | -9 | and | 7 |.
Solution
The image shows two absolute value expressions that need to be evaluated:
Let's solve them:
-
The absolute value of a negative number removes the negative sign, so . -
The absolute value of a positive number is the number itself, so .
Thus, the correct answers are:
Would you like more details or have any questions about this? Here are 5 related questions to practice further:
- What is ?
- What is the absolute value of 0?
- Evaluate .
- What is ?
- How does the absolute value of a number affect a negative value?
Tip: The absolute value of any number is always non-negative—it represents the distance from zero on the number line.
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Math Problem Analysis
Mathematical Concepts
Absolute Value
Number Line
Formulas
| x | = x if x >= 0
| x | = -x if x < 0
Theorems
The absolute value of a number is its distance from zero on the number line.
Suitable Grade Level
Grades 6-8