Rational and Irrational Numbers

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is any number that can be expressed as a fraction \( \frac{a}{b} \), where \( a \) and \( b \) are integers and \( b \neq 0 \).
2.
FLASHCARD QUESTION
Front
What is an irrational number?
Back
An irrational number is a number that cannot be expressed as a simple fraction. It cannot be written as \( \frac{a}{b} \) where \( a \) and \( b \) are integers.
3.
FLASHCARD QUESTION
Front
Is \( \sqrt{5} \) rational or irrational?
Back
Irrational
4.
FLASHCARD QUESTION
Front
Is 0.̅̅6̅̅6 rational or irrational?
Back
Rational
5.
FLASHCARD QUESTION
Front
Which of the following is irrational: 9.6, \( \sqrt{2} \), or \( \frac{3}{8} \)?
Back
\( \sqrt{2} \)
6.
FLASHCARD QUESTION
Front
What type of number is a fraction?
Back
Rational
7.
FLASHCARD QUESTION
Front
What type of number is a repeating decimal like 0.̅̅6̅̅6?
Back
Rational
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