Math Problem Statement

Solve AND graph the Solution yo each of the inequalities   x 3

− 4 x3>−4

Solution

We are tasked with solving and graphing the inequality x3>4\frac{x}{3} > -4.

Step 1: Solve the inequality

To isolate xx, we can multiply both sides of the inequality by 3 to eliminate the denominator.

x>4×3x > -4 \times 3

x>12x > -12

Thus, the solution to the inequality is:

x>12x > -12

Step 2: Graph the solution

To graph x>12x > -12 on a number line:

  1. Draw a number line.
  2. Mark the point 12-12 on the line.
  3. Use an open circle at 12-12 to indicate that 12-12 is not included in the solution.
  4. Shade the region to the right of 12-12, indicating all numbers greater than 12-12.

Graph Explanation:

  • The open circle at 12-12 represents that x=12x = -12 is not part of the solution.
  • The shaded area to the right represents all values greater than 12-12.

Would you like a visual graph for better understanding? Let me know if you have any questions or if you'd like further details.

Here are 5 related questions to expand on this topic:

  1. What happens if the inequality was x/34x/3 \geq -4?
  2. How would the solution change if the inequality was x/3<4x/3 < -4?
  3. How would the graph change if the inequality was x/3=4x/3 = -4?
  4. What is the solution to 2x+3>72x + 3 > 7?
  5. How do you graph inequalities involving absolute values?

Tip: Always remember to reverse the inequality sign when multiplying or dividing both sides of an inequality by a negative number.

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Math Problem Analysis

Mathematical Concepts

Inequalities
Algebra
Number Line Graphing

Formulas

Basic inequality manipulation (multiplication)

Theorems

Properties of inequalities

Suitable Grade Level

Grades 6-8