Math Problem Statement
Solution
The question asks us to solve the following system of inequalities graphically and identify a point within the solution set:
Steps to Solve:
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Graph each inequality:
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For :
- This is a straight line with slope and -intercept . Draw the line as a solid line (since includes equality). Shade below the line.
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For :
- This is a straight line with slope and -intercept . Draw the line as a dashed line (since does not include equality). Shade below the line.
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Find the overlap of the shaded regions:
- The solution to the system is the region where the shaded areas of the two inequalities overlap.
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Determine a point in the solution set:
- Pick any point in the overlapping shaded region and check if it satisfies both inequalities.
Would you like me to graph this explicitly for clarity? Or proceed to identify a solution point? Let me know!
Related Questions:
- How do you determine if a point satisfies a given inequality?
- What does the slope and -intercept represent in a linear inequality?
- Why is one line dashed and the other solid in the graph?
- What are the rules for shading when graphing linear inequalities?
- How do you verify that a region is the solution to a system of inequalities?
Tip:
Always double-check the boundaries (solid vs. dashed lines) and test a sample point to confirm the solution region.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Inequalities
Graphing
Formulas
Slope-intercept form: y = mx + b
Graphical solutions of inequalities: Shading regions on a graph
Theorems
Linear inequality graphing rules
Intersection of solution regions
Suitable Grade Level
Grades 8-10
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