Math Problem Statement

|3x - 1| ≥ 2

Solution

The inequality provided is:

3x12|3x - 1| \geq 2

This is an absolute value inequality. To solve it, we break it into two cases:

Case 1: Positive inequality

3x123x - 1 \geq 2 Solving this: 3x3x13x \geq 3 \quad \Rightarrow \quad x \geq 1

Case 2: Negative inequality

(3x1)23x12-(3x - 1) \geq 2 \quad \Rightarrow \quad 3x - 1 \leq -2 Solving this: 3x1x133x \leq -1 \quad \Rightarrow \quad x \leq -\frac{1}{3}

Final Solution:

The solution to the inequality is the union of both cases: x13orx1x \leq -\frac{1}{3} \quad \text{or} \quad x \geq 1 In interval notation, this is: x(,13][1,)x \in \left( -\infty, -\frac{1}{3} \right] \cup \left[ 1, \infty \right)

Let me know if you'd like more details, or have any questions!

Related Questions:

  1. What is the general process for solving absolute value inequalities?
  2. How do we interpret the solution of inequalities on a number line?
  3. What happens when the inequality involves a less-than sign, e.g., 3x12|3x - 1| \leq 2?
  4. Can absolute value inequalities have no solutions? In what cases?
  5. How can we check if our solution is correct by substituting values?

Tip:

When solving absolute value inequalities, always split into two cases: one positive and one negative. This ensures you cover all possible scenarios for the solution.

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Inequalities

Formulas

|a| ≥ b → a ≥ b or a ≤ -b

Theorems

Absolute Value Inequality Theorem

Suitable Grade Level

Grades 9-11