Math Problem Statement

This time, you will solve and graph system of linear inequalities independently using Polya’s four step in

problem solving. I know you can do it!

  1. {

3x + 5y ≥ 15

x ≥ 2

I. Understanding the Problem

II. Make a Plan.

III. Carry out the Plan.

IV. Look back

Solution

IV. Look Back

The shaded region in the graph represents the solution set where both inequalities are satisfied. By examining the graph, we confirm that the region where x2x \geq 2 and y35x+3y \geq -\frac{3}{5}x + 3 overlap is indeed shaded, meaning this is the solution set for the system.

Would you like a further breakdown of any steps or additional questions?


  1. How would the solution change if 3x+5y153x + 5y \leq 15?
  2. What happens if we add another inequality, like yx+1y \leq x + 1?
  3. How does the solution set vary if x4x \geq 4 instead of x2x \geq 2?
  4. How could you use this technique to solve a real-world optimization problem?
  5. What if we introduced a third dimension to the inequalities?

Tip: When solving systems of inequalities, always verify each shaded region carefully to ensure the final solution set is correct.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Inequalities
Graphing

Formulas

3x + 5y ≥ 15
x ≥ 2

Theorems

Polya's Four Steps

Suitable Grade Level

Grades 9-11