Flashcard 11 - Mathematics: Quantitative Reasoning Flashcard Set for the TSIA2

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Rational Numbers are numbers that can be expressed as a ratio of integers. Irrational Numbers are numbers that can’t be expressed as a ratio of integers.

The square root of prime numbers are irrational numbers. The number \(13\) is prime, so its square root is an irrational number. In other words, \(\sqrt{13}\) cannot be written as a ratio of integers.