Math Problem Statement

Write down the inequality that represents the shaded region.

Solution

Let's analyze the image and determine the inequality representing the shaded region.

Steps:

  1. Identify the line equation: The black line shown forms the boundary of the shaded region. We need to find its equation.
  2. Slope-Intercept Form: This line equation appears to be in the form y=mx+cy = mx + c, where mm is the slope and cc is the y-intercept.
  3. Determine the inequality: Based on the shading, we will identify whether the inequality is ,,<,\leq, \geq, <, or >>.

Observations:

  • The line passes through:
    • Point (0,3)(0, 3) (y-intercept).
    • Point (6,0)(6, 0).
  • Slope mm can be calculated: m=change in ychange in x=3006=12.m = \frac{\text{change in } y}{\text{change in } x} = \frac{3 - 0}{0 - 6} = -\frac{1}{2}.
  • Hence, the equation of the line is: y=12x+3.y = -\frac{1}{2}x + 3.

Shading:

The shaded region lies below the line, meaning the inequality is: y12x+3.y \leq -\frac{1}{2}x + 3.


Would you like a step-by-step explanation of the calculations or more details? Let me know!


Related Questions:

  1. How do you calculate the slope of a line between two points?
  2. How do you determine whether to use ,,<,\leq, \geq, <, or >> in inequalities?
  3. What does the y-intercept of a line represent?
  4. How can you check if a point satisfies an inequality?
  5. How do graphing tools help visualize inequalities?

Tip:

Always test a point in the shaded region (e.g., (0,0)(0, 0)) to confirm the inequality's direction!

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Graphing Inequalities
Slope-Intercept Form

Formulas

y = mx + c (Slope-Intercept Form)
Slope = (change in y) / (change in x)

Theorems

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Suitable Grade Level

Grades 8-10