Math Problem Statement
Solution
Let's break down the graph to find which system of inequalities produces the shaded region.
Step 1: Analyze the boundary lines.
- There are two boundary lines in the graph:
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A solid line with a negative slope. This line seems to be .
- Since the line is solid, the inequality includes the boundary, i.e., .
- The region is shaded below this line, confirming that the inequality involves .
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A dashed line with a positive slope. This line appears to be .
- The line is dashed, meaning the inequality does not include the boundary, i.e., .
- The region is shaded below this line, so the inequality is .
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Step 2: Identify the region.
The region shaded in the graph is below both lines. This implies that both inequalities must hold simultaneously.
Step 3: Conclusion.
From the graph, the system of inequalities representing the shaded region is:
Now, checking the options:
- Option C: and is the correct answer.
Would you like further clarification, or do you have any questions?
Here are 5 related questions you can explore:
- How do you determine the equation of a line from a graph?
- What is the difference between dashed and solid lines in graphing inequalities?
- How do you graph a system of inequalities on the coordinate plane?
- How would the region change if the inequality was ?
- What happens when two inequalities share the same boundary line?
Tip: Always pay attention to whether a boundary line is solid or dashed, as it indicates whether the points on the line are included in the solution!
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Math Problem Analysis
Mathematical Concepts
Systems of Inequalities
Graphing Inequalities
Algebra
Formulas
Equation of a line: y = mx + b
Inequalities: ≤, ≥, <, >
Theorems
Graphing inequalities on a coordinate plane
Suitable Grade Level
Grades 9-11