Math Problem Statement
Solution
Let's break down the image content and solve the inequality step by step.
Problem
You are given a compound inequality:
Part (a): Solve the Inequality
We need to solve both inequalities separately.
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First Inequality:
- Distribute the 4:
- Add 4 to both sides:
- Divide by 12:
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Second Inequality:
- Distribute the 4:
- Subtract 8 from both sides:
- Divide by 4:
Now we combine the solutions. The solution set must satisfy both conditions: The only values that satisfy both inequalities are those in the interval .
Part (b): Graph the solution on the number line
The solution is . This can be represented as a ray starting from and extending to the left, with an open circle at .
Part (c): Write in interval notation
The interval for the solution is:
Summary
- Solution for the inequality:
- Graph: An open circle at with a ray extending leftward.
- Interval notation:
Do you have any questions or would you like more details on any step?
Here are 5 related questions:
- How would you solve a compound inequality with "or" instead of "and"?
- How do you represent on a number line?
- What changes if one of the inequalities has a "greater than or equal to" sign?
- How do you solve a compound inequality involving absolute values?
- How would this solution differ if there were fractions in the inequalities?
Tip: When solving compound inequalities, always carefully consider whether the conditions are connected by "and" (both must be true) or "or" (either can be true).
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Math Problem Analysis
Mathematical Concepts
Inequalities
Linear Equations
Interval Notation
Graphing
Formulas
Distribution: a(b + c) = ab + ac
Solving linear inequalities
Theorems
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Suitable Grade Level
Grades 9-10
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