Math Problem Statement

Correct explanation?

Explain why the equation |8x - 3| = -2 has no solutions.

Solution

Yes, the explanation given is correct.

The equation in question is 8x3=2|8x - 3| = -2.

Key point:

  • Absolute values represent distance, and distances cannot be negative. Therefore, the absolute value of any expression is always non-negative, meaning it must be either zero or positive. In this case, the right-hand side of the equation is -2, which is a negative number.

Why there is no solution:

  • Since an absolute value cannot be equal to a negative number, it is impossible for 8x3|8x - 3| to equal 2-2. Hence, there are no solutions to this equation.

This is the reasoning provided in the answer on the paper, and it is accurate.

Do you have any further questions or need more details?

Here are five related questions to expand on this concept:

  1. What are the steps to solve an absolute value equation when the result is a positive number?
  2. How would the equation change if the right-hand side were a positive value, like 8x3=2|8x - 3| = 2?
  3. What does the graph of an absolute value function look like?
  4. How do you interpret absolute value inequalities, such as 8x32|8x - 3| \geq 2?
  5. Can absolute value expressions ever equal zero? If so, under what conditions?

Tip: When dealing with absolute value equations, always first check if the given number on the right-hand side is negative. If it is, the equation has no solution.

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Math Problem Analysis

Mathematical Concepts

Absolute Value
Algebraic Equations

Formulas

|a| = b (where b ≥ 0)
|a| = -b has no solution

Theorems

Properties of Absolute Values

Suitable Grade Level

Grades 9-11