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3 cards from this section. Quick, good the night before a test.
What is √2 approximately equal to?
Think about the square root of 2.
Is π an irrational number?
Consider how π can't be expressed as a fraction.
Is π an example of an irrational number?
Think about its decimal expansion.
What is the approximate value of √2?
Think about the process of taking square roots.
Demonstrate how the irrational nature of π affects calculations in engineering.
Consider real-world applications where precision is essential.
If √5 were a rational number, what implications would it have on real number classification?
Assess what happens when rational and irrational definitions blur.
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