We are asked to graph the solution to the following system of inequalities: $y \ge 2x - 1$ $x + y \le 3$

AlgebraLinear InequalitiesGraphingSystems of InequalitiesCoordinate Geometry
2025/3/11

1. Problem Description

We are asked to graph the solution to the following system of inequalities:
y2x1y \ge 2x - 1
x+y3x + y \le 3

2. Solution Steps

First, we will graph the line y=2x1y = 2x - 1. This is a line with slope 22 and y-intercept 1-1.
When x=0x=0, y=2(0)1=1y = 2(0) - 1 = -1. So the point (0,1)(0, -1) is on the line.
When x=1x=1, y=2(1)1=1y = 2(1) - 1 = 1. So the point (1,1)(1, 1) is on the line.
Since the inequality is y2x1y \ge 2x - 1, we shade the region above the line. Because the inequality is \ge, we draw the line as a solid line.
Second, we will graph the line x+y=3x + y = 3. We can rewrite this as y=x+3y = -x + 3. This is a line with slope 1-1 and y-intercept 33.
When x=0x=0, y=0+3=3y = -0 + 3 = 3. So the point (0,3)(0, 3) is on the line.
When x=3x=3, y=3+3=0y = -3 + 3 = 0. So the point (3,0)(3, 0) is on the line.
Since the inequality is x+y3x + y \le 3, we shade the region below the line. Because the inequality is \le, we draw the line as a solid line.
The solution to the system is the region where the shaded regions of both inequalities overlap.

3. Final Answer

The solution is the intersection of the regions y2x1y \ge 2x - 1 and x+y3x + y \le 3. To graph it using the graphing tool, one would:

1. Graph the line $y = 2x - 1$ as a solid line, and shade above the line.

2. Graph the line $x + y = 3$ (or $y = -x + 3$) as a solid line, and shade below the line.

The overlapping shaded region represents the solution set to the system of inequalities.

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