What is a rational number?
Rational vs. Irrational Math8

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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 has a non-repeating, non-terminating decimal expansion.
3.
FLASHCARD QUESTION
Front
Is -10 rational or irrational?
Back
Rational because it terminates.
4.
FLASHCARD QUESTION
Front
Is 19.2 rational or irrational?
Back
Rational because it terminates.
5.
FLASHCARD QUESTION
Front
Which number is RATIONAL? (Options: \( \sqrt{8}, \sqrt{16}, \sqrt{50}, \sqrt{75} \))
Back
\( \sqrt{16} \) is rational because it equals 4.
6.
FLASHCARD QUESTION
Front
Select the number that is IRRATIONAL. (Options: \( \sqrt{16}, \sqrt{116}, \sqrt{27}, \sqrt{81} \))
Back
\( \sqrt{116} \) is irrational.
7.
FLASHCARD QUESTION
Front
A fraction is which type of number?
Back
Rational.
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