Math Problem Statement

Which inequality is graphed below?

Solution

To identify the inequality represented by the shaded region on the graph, let's analyze the line and shading pattern.

Step 1: Determine the equation of the boundary line

  1. The boundary line appears to go through the points (3,0)(-3, 0) and (0,3)(0, 3).
  2. To find the slope (mm) of the line: m=300(3)=33=1m = \frac{3 - 0}{0 - (-3)} = \frac{3}{3} = 1 The slope is 11.
  3. Using the point-slope form, we can express the equation of the line: y3=1(x0)    y=x+3y - 3 = 1(x - 0) \implies y = x + 3

Step 2: Convert the equation to the form in the options

To match it with the forms provided in the multiple-choice options, rearrange: yx3y - x \leq 3

Now, let's rewrite this as: xy3x - y \geq -3

Step 3: Identify the correct inequality

The shading is above the line, which means it includes points where yy is greater than the line (x+3x + 3). This corresponds to: xy3x - y \geq -3

To match the options, this is equivalent to: 3x2y63x - 2y \leq 6

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Math Problem Analysis

Mathematical Concepts

Linear Inequalities
Coordinate Geometry

Formulas

Slope Formula: m = (y2 - y1) / (x2 - x1)
Linear Equation: y = mx + b

Theorems

Slope-Intercept Form

Suitable Grade Level

Grades 8-10