Rules about Operations with Rational and Irrational Numbers
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is a number that can be expressed as a ratio 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 or ratio of two integers.
3.
FLASHCARD QUESTION
Front
What is the result of adding two rational numbers?
Back
The sum of two rational numbers is always a rational number.
4.
FLASHCARD QUESTION
Front
What is the result of adding a rational number and an irrational number?
Back
The sum of a rational number and an irrational number is always an irrational number.
5.
FLASHCARD QUESTION
Front
What is the result of multiplying two irrational numbers?
Back
The product of two irrational numbers can be either rational or irrational.
6.
FLASHCARD QUESTION
Front
What is the result of multiplying a rational number by an irrational number?
Back
The product of a rational number and an irrational number is always an irrational number.
7.
FLASHCARD QUESTION
Front
What is the result of squaring an irrational number?
Back
The square of an irrational number is generally irrational, but there are exceptions (e.g., √2 * √2 = 2, which is rational).
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