Math Problem Statement

Graph y is less than or equal to x - 2 as a system of linear inequalities.

Solution

To graph the inequality yx2y \leq x - 2 as a system of linear inequalities, we first need to understand that this inequality involves a boundary line and a shaded region.

Step 1: Graph the Boundary Line

The inequality yx2y \leq x - 2 includes the line y=x2y = x - 2, which is a linear equation with a slope of 1 and a y-intercept at -2. This line will be solid (not dashed) because the inequality is "less than or equal to," meaning points on the line satisfy the inequality.

  1. Start by plotting the y-intercept at (0, -2).
  2. Use the slope (1) to find another point by moving up 1 unit and right 1 unit.
  3. Draw a solid line through these points.

Step 2: Determine the Shaded Region

Since the inequality is yx2y \leq x - 2, we shade the region below the line, as that represents all points where yy is less than or equal to x2x - 2.

Representing as a System of Inequalities

If you're instructed to show this as a "system," we could interpret that as potentially adding a restriction on the domain or range. Without additional constraints, however, the inequality yx2y \leq x - 2 alone defines the region.

Would you like me to delve deeper into creating a system with multiple inequalities, or do you have any specific questions about graphing this?


Related Questions:

  1. How do you graph y>x2y > x - 2 instead?
  2. What changes if the inequality is strict (y<x2y < x - 2)?
  3. How would you graph yx2y \geq x - 2 instead?
  4. What is the role of the slope and y-intercept in this inequality?
  5. How does shading differ for a vertical or horizontal line inequality?

Tip: Always start with the boundary line, then decide shading based on the inequality sign.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Inequalities
Graphing

Formulas

Slope-intercept form y = mx + b

Theorems

Concept of linear inequalities and boundary lines in graphing

Suitable Grade Level

Grades 7-9