Math Problem Statement
5∣x+6∣−2≥28
Solution
We are given the inequality:
Step 1: Isolate the absolute value term
First, add 2 to both sides to eliminate the constant on the left:
This simplifies to:
Step 2: Divide by 5
Now, divide both sides by 5:
Step 3: Solve the absolute value inequality
The inequality means that the expression inside the absolute value, , is either greater than or equal to 6 or less than or equal to -6. So, we solve two separate inequalities:
Case 1:
Subtract 6 from both sides:
Case 2:
Subtract 6 from both sides:
Step 4: Combine the solutions
The solution to the inequality is:
This can be written in interval notation as:
Would you like further details or clarifications?
Here are some related questions:
- What are the steps for solving absolute value inequalities?
- How does the solution change if the inequality is strict (e.g., or )?
- Can we solve this graphically? What would the graph look like?
- How do absolute value inequalities relate to distance on a number line?
- What are some real-world examples where absolute value inequalities are used?
Tip: When solving absolute value inequalities, always split them into two cases, one for the positive and one for the negative scenario.
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Math Problem Analysis
Mathematical Concepts
Algebra
Absolute Value Inequalities
Formulas
Absolute value inequality |x + a| ≥ b
Inequality rules: Solve two cases for absolute value inequalities
Theorems
Absolute Value Property: |x| ≥ a means x ≥ a or x ≤ -a
Suitable Grade Level
Grades 9-11