Math Problem Statement

Solve the absolute value inequality |x + 8| ≤ 2.

Solution

To solve the absolute value inequality x+82|x + 8| \leq 2, we need to rewrite it as a compound inequality:

Step 1: Rewrite the inequality

The inequality x+82|x + 8| \leq 2 means that the expression inside the absolute value lies between -2 and 2: 2x+82-2 \leq x + 8 \leq 2

Step 2: Solve the compound inequality

Now, we solve each part separately.

  1. 2x+8-2 \leq x + 8 x28x \geq -2 - 8 x10x \geq -10

  2. x+82x + 8 \leq 2 x28x \leq 2 - 8 x6x \leq -6

Step 3: Combine the solutions

The solution to the original inequality is: 10x6-10 \leq x \leq -6

So, the values that satisfy the inequality are: x6andx10x \leq -6 \quad \text{and} \quad x \geq -10

Would you like to explore more about absolute inequalities, or do you have any questions about this topic?

Here are some related questions you can try:

  1. Solve x35|x - 3| \leq 5.
  2. What is the solution to 2x+1>4|2x + 1| > 4?
  3. Solve x47|x - 4| \geq 7.
  4. How does the solution change if the inequality is x+8<2|x + 8| < 2?
  5. Explain how to solve 3x+25|3x + 2| \leq 5.

Tip: When solving absolute value inequalities, always consider the two possible cases for the expression inside the absolute value being both positive and negative.

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Math Problem Analysis

Mathematical Concepts

Absolute Value
Inequalities
Algebra

Formulas

|x + 8| ≤ 2 rewritten as -2 ≤ x + 8 ≤ 2

Theorems

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Suitable Grade Level

Grades 7-9