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A rational number is one which can be expressed as a ratio (or a fraction) of two numbers, i.e. a/b. Numbers which cannot be expressed like this, such as the constants e and π (pi), are irrational.

Other numbers which are irrational include:

  • the square root of 2, or any other number that isn't a perfect square
  • the golden ratio φ, the ratio of two numbers (we'll call them A and B, A being larger than B) such that the ratio of A + B to A is the same as the ratio of A to B
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โˆ™ 2012-04-16 00:43:14
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Algebra

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A polynomial of degree zero is a constant term

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Q: What doesnt describe a rational number?
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