Math Problem Statement
Solution
The inequality given is , which means the shaded region is the solution set for the inequality where . The boundary line is dashed, indicating points on the line are not included in the solution.
To determine which points are solutions:
Step 1: Rewrite the inequality
Rewriting it to isolate :
This represents the region below the line (not including the line itself).
Step 2: Test the given points
Substitute each point into or equivalently :
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(0, 0): is true (or is true). Solution.
-
(2, 5): is true (or is true). Solution.
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(-1, 5): is false (or is false). Not a solution.
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(7, -12): is true (or is true). Solution.
-
(-4, 2): is false (or is false). Not a solution.
Final Answer:
The points that satisfy the inequality are:
- (0, 0)
- (2, 5)
- (7, -12)
Would you like a detailed graph explanation?
Related Questions:
- What is the difference between and in inequalities?
- How can I graph a linear inequality step by step?
- Why does a dashed line indicate points are not part of the solution?
- How would the solution region change if the inequality were ?
- Can inequalities have multiple solution regions?
Tip: Always test points within the shaded region to ensure they satisfy the inequality.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Inequalities
Graphing Inequalities
Formulas
y < x + 5 (rewritten from x - y > -5)
Theorems
Properties of inequalities
Suitable Grade Level
Grades 8-10