Rational and Irrational Numbers

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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16 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 the quotient or fraction of two integers, where the denominator is not zero.
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 a ratio of two integers.
3.
FLASHCARD QUESTION
Front
Is 0 a rational number?
Back
Yes, 0 is a rational number because it can be expressed as 0/1.
4.
FLASHCARD QUESTION
Front
What is a repeating decimal?
Back
A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits indefinitely, and it is classified as a rational number.
5.
FLASHCARD QUESTION
Front
Is the number 1.5 rational or irrational?
Back
Rational, because it can be expressed as 3/2.
6.
FLASHCARD QUESTION
Front
Is the number √2 rational or irrational?
Back
Irrational, because it cannot be expressed as a fraction of two integers.
7.
FLASHCARD QUESTION
Front
What is the decimal representation of 1/4?
Back
0.25, which is a terminating decimal and thus a rational number.
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