Math Problem Statement
Solution
The inequality given is:
To solve this absolute value inequality, we follow these steps:
Step 1: Break down the absolute value inequality
For any expression of the form , the inequality can be rewritten as:
In our case, and . So, we rewrite the inequality as:
Step 2: Solve the compound inequality
Now, we solve for by isolating it in the middle:
- Subtract 8 from all parts of the inequality:
This simplifies to:
Step 3: Graph the solution
The solution is all -values between and , inclusive. On a number line, this is represented by a solid line from to , with filled circles at and to indicate that these values are included (since the inequality is and not strict ).
Would you like further details or have any questions?
Related Questions:
- How do you solve absolute value inequalities with instead of ?
- Can you solve a similar inequality like ?
- What happens when the absolute value inequality includes a negative number on the right-hand side, such as ?
- Can this technique be applied to quadratic inequalities?
- How do you graph inequalities when the solutions are not within a single interval?
Tip:
When solving absolute value inequalities, remember to check if the inequality is possible. For example, would have no solution because absolute values are always non-negative.
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Absolute Value
Formulas
|A| ≤ B can be rewritten as -B ≤ A ≤ B
Theorems
Properties of Absolute Value
Suitable Grade Level
Grades 7-9