The problem asks us to graph and shade the solution region for the following system of inequalities: $4x - 5y \ge 20$ $y < \frac{3}{2}x - 2$

AlgebraLinear InequalitiesGraphingSystems of InequalitiesCoordinate Geometry
2025/3/20

1. Problem Description

The problem asks us to graph and shade the solution region for the following system of inequalities:
4x5y204x - 5y \ge 20
y<32x2y < \frac{3}{2}x - 2

2. Solution Steps

First, let's consider the first inequality: 4x5y204x - 5y \ge 20.
To graph this, we first treat it as an equation: 4x5y=204x - 5y = 20.
We can find the x-intercept by setting y=0y=0: 4x=204x = 20, so x=5x = 5.
We can find the y-intercept by setting x=0x=0: 5y=20-5y = 20, so y=4y = -4.
Thus, the line passes through (5,0)(5, 0) and (0,4)(0, -4).
Since the inequality is \ge, we draw a solid line.
To determine which side to shade, we test the point (0,0)(0, 0): 4(0)5(0)204(0) - 5(0) \ge 20 simplifies to 0200 \ge 20, which is false. Therefore, we shade the region that does *not* include (0,0)(0, 0).
Now, let's consider the second inequality: y<32x2y < \frac{3}{2}x - 2.
To graph this, we first treat it as an equation: y=32x2y = \frac{3}{2}x - 2.
The y-intercept is 2-2. The slope is 32\frac{3}{2}, so for every 2 units we move to the right, we move 3 units up.
Since the inequality is <<, we draw a dashed line.
To determine which side to shade, we test the point (0,0)(0, 0): 0<32(0)20 < \frac{3}{2}(0) - 2 simplifies to 0<20 < -2, which is false. Therefore, we shade the region that does *not* include (0,0)(0, 0).
The solution region is the intersection of the shaded regions for both inequalities.

3. Final Answer

The solution is the graph with a solid line through (5,0) and (0,-4) shaded to the side that does not contain the origin and a dashed line for y=32x2y = \frac{3}{2}x - 2 with a y intercept of -2 shaded above the line. The solution is the overlapping shaded region.

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