The problem requires graphing the solution to the following system of inequalities: $x - y \ge -6$ $-2x - y \le 5$

AlgebraLinear InequalitiesGraphingSystems of InequalitiesSlope-intercept form
2025/3/13

1. Problem Description

The problem requires graphing the solution to the following system of inequalities:
xy6x - y \ge -6
2xy5-2x - y \le 5

2. Solution Steps

First, we rewrite the inequalities in slope-intercept form (i.e., y=mx+by = mx + b).
For the first inequality, xy6x - y \ge -6, we can rearrange it to isolate yy:
x+6yx + 6 \ge y, or yx+6y \le x + 6
For the second inequality, 2xy5-2x - y \le 5, we can rearrange it to isolate yy:
y2x+5-y \le 2x + 5
y2x5y \ge -2x - 5
Now we have the system of inequalities:
yx+6y \le x + 6
y2x5y \ge -2x - 5
To graph the solution, we need to graph the lines y=x+6y = x + 6 and y=2x5y = -2x - 5.
For the line y=x+6y = x + 6, the y-intercept is 6 and the slope is

1. For the line $y = -2x - 5$, the y-intercept is -5 and the slope is -

2.
Since the first inequality is yx+6y \le x + 6, we shade the region below the line y=x+6y = x + 6.
Since the second inequality is y2x5y \ge -2x - 5, we shade the region above the line y=2x5y = -2x - 5.
The solution to the system of inequalities is the region where the two shaded regions overlap.
The intersection point of the two lines can be found by setting x+6=2x5x + 6 = -2x - 5, so 3x=113x = -11, and x=113x = -\frac{11}{3}.
Then y=113+6=113+183=73y = -\frac{11}{3} + 6 = -\frac{11}{3} + \frac{18}{3} = \frac{7}{3}.
So, the intersection point is (113,73)(-\frac{11}{3}, \frac{7}{3}).

3. Final Answer

The solution to the system of inequalities xy6x - y \ge -6 and 2xy5-2x - y \le 5 is the region bounded by the lines y=x+6y = x + 6 and y=2x5y = -2x - 5, where yx+6y \le x + 6 and y2x5y \ge -2x - 5. The intersection point of these lines is (113,73)(-\frac{11}{3}, \frac{7}{3}). We shade the region below y=x+6y=x+6 and above y=2x5y=-2x-5.

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