Math Problem Statement

Which of the following inequalities correctly describes the interval shown below?

Solution

The question presents an interval on a number line from 2-2 to 11, where 2-2 is included (solid dot) and 11 is not included (open circle). We need to select the inequality that accurately describes this interval.

The correct answer should reflect:

  • Inclusion of 2-2 (indicated by \leq or \geq),
  • Exclusion of 11 (indicated by << or >>).

Thus, the interval notation would be: 2x<1-2 \leq x < 1

From the options provided, the correct answer is: 2x<1-2 \leq x < 1

Would you like further details or explanations?

Here are five related questions for additional practice:

  1. How would you represent the interval 3x2-3 \leq x \leq 2 on a number line?
  2. What is the inequality for an interval that includes 00 but excludes 33?
  3. How does interval notation differ from inequality notation?
  4. How do you determine if a point is included or excluded on a number line?
  5. What inequality represents all real numbers greater than or equal to 4-4?

Tip: Always pay attention to solid and open dots on number lines, as they indicate whether endpoints are included or excluded.

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Math Problem Analysis

Mathematical Concepts

Algebra
Inequalities
Intervals

Formulas

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Theorems

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Suitable Grade Level

Grades 6-8