Math Problem Statement

5x - 4 is greater than or equal to 2x + 11. graph the solution.

Solution

To graph the solution of the inequality 5x42x+115x - 4 \geq 2x + 11, we follow these steps:

Step 1: Solve the Inequality

We already solved the inequality and found: x5x \geq 5

Step 2: Graphing on a Number Line

  1. Draw a number line: Start by drawing a horizontal line and marking relevant points, especially x=5x = 5.

  2. Plot the solution x5x \geq 5:

    • Closed circle at x=5x = 5: Since the inequality is \geq, we include x=5x = 5 in the solution, so place a solid (closed) circle on the number line at x=5x = 5.
    • Shade the region to the right of 5: The inequality x5x \geq 5 means that all values greater than or equal to 5 satisfy the inequality. So, shade the line to the right of the point x=5x = 5 to indicate all these values.

Here's what the graph should look like:

  • The number line will have a solid circle at 5, with a shaded line extending to the right, indicating that the solution includes all numbers greater than or equal to 5.

Would you like further details or have any questions?

Here are 5 related questions:

  1. How would the graph change if the inequality were x>5x > 5 instead of x5x \geq 5?
  2. Can you describe what the graph would look like for x5x \leq 5?
  3. How do you graph inequalities on a coordinate plane?
  4. What happens if we have a compound inequality like 3x<73 \leq x < 7?
  5. What is the importance of the type of circle (open or closed) in inequality graphs?

Tip: Always double-check if the circle should be open or closed based on whether the inequality includes the value ( \geq or \leq for closed circles, >> or << for open circles).

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Math Problem Analysis

Mathematical Concepts

Inequalities
Graphing on a Number Line

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9