1.6 - Summary
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Practice Questions
Test your understanding with targeted questions
Identify whether 5/2 is a rational or irrational number.
💡 Hint: Can it be expressed as a fraction of two integers?
Is the square root of 16 a rational number?
💡 Hint: What is the square root of this number?
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Interactive Quizzes
Quick quizzes to reinforce your learning
A rational number has a decimal expansion that is:
💡 Hint: Think of how you can express it in fraction form.
True or False: The sum of a rational and an irrational number is always a rational number.
💡 Hint: Recall the properties of rational and irrational numbers.
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Challenge Problems
Push your limits with advanced challenges
Can you find two irrational numbers that when multiplied give a rational number? Provide an example and explain why it works.
💡 Hint: What happens when you multiply two identical irrational roots?
Given the expression \( \frac{5}{\sqrt{2} + 1} \), rationalize the denominator and simplify your answer.
💡 Hint: What form can you use to eliminate the radical?
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Reference links
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