Math Problem Statement

Graph {x | x < -4 or x ≥ 0}. Plot the endpoints. Select an endpoint to change it from closed to open. Select the middle of a segment, ray, or line to delete it.

Solution

The provided graph and instructions ask to plot the solution to the inequality x<4x < -4 or x0x \geq 0.

Here’s how the solution is represented on the number line:

  1. For x<4x < -4:

    • This represents all numbers less than -4.
    • On the graph, this is an open circle at -4 (since xx is strictly less than -4, -4 is not included) with an arrow going to the left.
  2. For x0x \geq 0:

    • This includes all numbers greater than or equal to 0.
    • On the graph, this is a closed circle at 0 (since xx can equal 0) with a ray extending to the right, representing all numbers greater than 0.

Thus, you would have:

  • An open circle at 4-4 with an arrow going left.
  • A closed circle at 00 with an arrow going right.

Would you like further details or have any questions?

Here are some related questions to expand understanding:

  1. How would you graph x>2x > -2 and x3x \leq 3?
  2. What is the difference between open and closed circles in inequalities?
  3. How do you represent 2x<5-2 \leq x < 5 on a number line?
  4. Can you combine inequalities such as 4<x<0-4 < x < 0?
  5. How would you graph x3x \leq -3 or x>2x > 2?

Tip: Always remember that open circles represent values that are not included in the solution, while closed circles represent values that are included.

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Math Problem Analysis

Mathematical Concepts

Inequalities
Graphing on a Number Line

Formulas

-

Theorems

Properties of inequalities on a number line

Suitable Grade Level

Grades 6-8