Math Problem Statement

Graph the inequality on the number line and then write it in interval notation: -3 < x < 0

Solution

The inequality provided is 3<x<0-3 < x < 0.

Steps to graph the inequality:

  1. Open Circles: Place open circles at 3-3 and 00 on the number line to indicate that these values are not included in the solution (since the inequality is strict, meaning "less than" but not "equal to").
  2. Shade the Region: Shade the region between 3-3 and 00 to show that all numbers between these two points satisfy the inequality.

Interval Notation:

The interval notation for 3<x<0-3 < x < 0 is (3,0)(-3, 0). This notation also indicates that 3-3 and 00 are not included in the interval.

Do you need further details or have any questions?


Here are some related questions:

  1. How would the graph and interval notation change if the inequality was 3x0-3 \leq x \leq 0?
  2. What is the solution set if the inequality was 3x<0-3 \leq x < 0?
  3. How would you graph the inequality x2x \geq -2 on the number line?
  4. How can you express the union of the intervals (3,0)(-3, 0) and (0,5)(0, 5)?
  5. What does the interval (5,2](-5, 2] represent on a number line?

Tip: When dealing with inequalities, always pay attention to whether the inequality includes the boundary values (using \leq or \geq) or not (using << or >>). This distinction determines whether you use open or closed circles on the number line.

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Math Problem Analysis

Mathematical Concepts

Inequalities
Graphing on the number line

Formulas

-

Theorems

Basic inequality concepts

Suitable Grade Level

Grades 6-8