Solving by Graphing
Solve the system by graphing.
Step 1 — Graph . The boundary line is . Because the inequality uses (strict), draw a dashed line. Test : gives , which is true, so shade the side of the line that contains the origin.
Step 2 — Graph on the same grid. The boundary line is . Because the inequality uses (strict), draw a dashed line. Test : gives , which is true, so shade the side that contains the origin.
Step 3 — Identify the solution. The solution is the area where both shaded regions overlap. The intersection point of the boundary lines is not included because both boundary lines are dashed.
Step 4 — Verify with a test point. Choose a test point in the overlapping region and substitute it into both inequalities to confirm both are true.
0
1
Tags
OpenStax
Intermediate Algebra @ OpenStax
Ch.4 Systems of Linear Equations - Intermediate Algebra @ OpenStax
Algebra
Related
Solving Applications of Systems of Linear Inequalities
Solving a Photo Display Budget Problem Using a System of Inequalities
Solving a Calorie and Budget Problem Using a System of Inequalities
A small business owner is calculating the possible combinations of two products they can manufacture given labor and material constraints. To find the valid production region using a system of linear inequalities, in what order should the following graphing steps be performed?
A logistics manager is using a coordinate plane to graph a system of linear inequalities that represents constraints on shipping weight and volume. According to the standard graphing procedure, which specific area on the graph represents the set of all possible solutions for the entire system?
A project analyst is visualizing resource allocation constraints using a system of linear inequalities on a coordinate plane. Match each graphical element with its correct meaning or role in determining the final solution set.
When an operations manager graphs a system of linear inequalities to determine a feasible production region, the solution set for the system is identified as the area where the shaded regions of all the individual inequalities overlap.
Verifying the Solution Region
A project coordinator is graphing a system of linear inequalities on a coordinate plane to visualize resource constraints. According to the standard graphing procedure, if the boundary lines for the constraints intersect, but at least one of the inequalities is strict (using the symbols or ), the intersection point itself is ____ from the final solution set.
Resource Allocation Constraints
Documenting the Visual Constraint Mapping Process
A quality control engineer is graphing a system of linear inequalities to define the acceptable range for a product's weight and volume. To determine which side of a specific boundary line to shade for one of the constraints, the engineer must select a 'test point.' According to the standard graphing procedure, what is the mandatory requirement for choosing this test point?
A facility manager is using a coordinate plane to graph two different occupancy constraints as a system of linear inequalities. According to Step 2 of the standard four-step graphing procedure, where should the manager graph the second inequality to correctly identify the solution set for the system?
Solving by Graphing
Solving by Graphing
Solving by Graphing
Solving by Graphing
Solving by Graphing
Solving by Graphing
Solving by Graphing
Solving by Graphing
Solving by Graphing