Understanding Graphing Inequalities in One Variable
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Beginner
Start here! Easy to understand
Beginner Explanation
To graph a simple inequality like x < a or x > b, place an open dot at the boundary point and draw a ray in the direction of the inequality. For x ≤ a or x ≥ b, use a closed dot and draw the ray accordingly.
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Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
Which inequality represents the graph with a closed dot at $3$ and a line extending to the left?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
Imagine you have less than $20$ dollars to spend. Write the inequality.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Describe the graph of $x ≥ 5$ on a number line, specifying the type of dot at 5 and the direction of the ray.
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4
Challenge Quiz
Single Choice Quiz
Advanced
Which graph represents the inequality $x > 2$?
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Recap
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