Math Problem Statement
Solution
The problem in the image asks: "Which inequality is the union of ?"
To solve this, let's start by solving the inequality:
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Start with the given inequality:
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Subtract from both sides:
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Add 2 to both sides:
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Multiply both sides by -1 (which reverses the inequality sign):
The inequality is the solution.
For the union, typically, you combine solutions from multiple inequalities, but since only one inequality is provided, the union would just be this single inequality.
If you have more questions or need further details, feel free to ask!
Related Questions:
- What happens to the inequality sign when you multiply both sides by a negative number?
- How do you solve a compound inequality involving "and" or "or"?
- What does the union of two inequalities represent graphically?
- How would the solution change if the inequality were strict (e.g., )?
- How can you check if a particular value satisfies an inequality?
Tip: Always remember to reverse the inequality sign when multiplying or dividing by a negative number!
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Math Problem Analysis
Mathematical Concepts
Inequalities
Algebra
Formulas
Solving linear inequalities
Multiplication by negative numbers flips inequality sign
Theorems
Properties of inequalities
Suitable Grade Level
Grades 7-9