Math Problem Statement

Which graph is the solution of the following system? y≤2x+2 and y<-x+1

Solution

To solve the system of inequalities y2x+2y \leq 2x + 2 and y<x+1y < -x + 1, we need to graph the solution to both inequalities and find the region that satisfies both.

  1. Graphing y2x+2y \leq 2x + 2:

    • The boundary line is y=2x+2y = 2x + 2. This is a straight line with a slope of 2 and a y-intercept of 2.
    • Since the inequality is y2x+2y \leq 2x + 2, we shade the region below or on the line, indicating that y can be equal to or less than the line.
  2. Graphing y<x+1y < -x + 1:

    • The boundary line is y=x+1y = -x + 1. This is a straight line with a slope of -1 and a y-intercept of 1.
    • Since the inequality is y<x+1y < -x + 1, we shade the region below the line. The boundary line is not included, so we use a dashed line to show that the points on the line are not part of the solution.

Intersection of the two regions:

  • The solution to the system of inequalities is the region where the shaded areas overlap.
  • The graph would show the overlap between the area under y2x+2y \leq 2x + 2 and the area under y<x+1y < -x + 1.

Sketching the graph:

  • Plot the line y=2x+2y = 2x + 2 and shade below it.
  • Plot the line y=x+1y = -x + 1 with a dashed line and shade below it.
  • The region where the shaded areas overlap is the solution to the system.

If you'd like, I can sketch this graph for you to better visualize the solution. Would you like me to do that?

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Math Problem Analysis

Mathematical Concepts

Linear inequalities
Graphing linear equations
Intersection of regions

Formulas

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Theorems

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Suitable Grade Level

High school