Math Problem Statement
Which Graph represents 2x>y?
Solution
To determine which graph represents the inequality , let's first rewrite it in slope-intercept form for easier visualization.
The given inequality is:
Rewriting it in slope-intercept form ():
This tells us that the line is the boundary of the inequality. The inequality symbol means that we are considering the area below the line.
Key Characteristics of the Graph
- Line Equation: The boundary line is . This line has a slope of 2 and passes through the origin (0, 0).
- Dashed Line: The boundary line should be dashed because the inequality is strict (), meaning points on the line itself are not included in the solution.
- Shading: The region below the dashed line should be shaded, indicating the solution set.
Conclusion
The correct graph would feature:
- A dashed line representing .
- The shaded region below this line.
Would you like more details on how to plot the graph or have any questions?
Here are some related questions:
- How do you graph inequalities with more than one condition (e.g., and )?
- What changes if the inequality symbol is or ?
- How do you determine if a point is a solution to an inequality graphically?
- What are the steps to convert inequalities into slope-intercept form?
- How do inequalities affect the shape of linear regions on a coordinate plane?
Tip: When dealing with inequalities, always pay attention to whether the boundary line is dashed or solid; this indicates if the line itself is included in the solution.
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Math Problem Analysis
Mathematical Concepts
Linear Inequalities
Graphing Inequalities
Slope-Intercept Form
Formulas
y = mx + b (Slope-Intercept Form)
Theorems
Inequality Graphing Rules
Boundary Line and Shading Theorem
Suitable Grade Level
Grades 9-10