Math Problem Statement
Solution
Let's solve the inequality given in the image step by step:
Inequality:
Step 1: Break the absolute value inequality into two cases
We need to solve two inequalities because the absolute value measures the distance from 0. For an inequality like , we break it into:
Step 2: Solve both inequalities
Left side:
Subtract 5 from both sides:
Right side:
Subtract 5 from both sides:
Step 3: Combine the two inequalities
We now have:
Step 4: Write the solution in interval notation
The solution set is all -values between and , but not including the endpoints (since the inequality is strict). Therefore, the interval notation is:
Step 5: Identify the correct graph
Looking at the graphs provided:
- We need an open interval from to , which excludes both and .
- The correct graph is option E, which highlights the interval with open circles at both ends.
Final Answer
- Interval notation:
- Correct graph: Option E
Do you have any questions or want further details?
Here are five related questions:
- What changes if the inequality was ?
- How do we solve absolute value inequalities where the inequality is or ?
- How would you graph the solution for ?
- What happens if the absolute value inequality has no solutions (e.g., )?
- How do you solve compound inequalities involving conditions?
Tip: When solving absolute value inequalities, always check whether the interval needs open or closed endpoints based on the inequality sign.
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Absolute Value
Formulas
|A| < B implies -B < A < B
Theorems
Properties of Absolute Value Inequalities
Suitable Grade Level
Grades 8-10