What is an irrational number?
Flashcardizz - Classifying Numbers

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•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.
2.
FLASHCARD QUESTION
Front
What is the square root of 16?
Back
The square root of 16 is 4.
3.
FLASHCARD QUESTION
Front
Is 4π a rational or irrational number?
Back
4π is an irrational number because π (pi) is irrational.
4.
FLASHCARD QUESTION
Front
What is -√4?
Back
-√4 is rational because it equals -2, which can be expressed as a fraction (-2/1).
5.
FLASHCARD QUESTION
Front
Classify -0.65. What categories apply?
Back
-0.65 is classified as rational and real.
6.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.
7.
FLASHCARD QUESTION
Front
Give an example of an irrational number.
Back
An example of an irrational number is √2 or π.
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