Operations with Radicals and Rational vs. Irrational (CSA Review
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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 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
Back
Rational
4.
FLASHCARD QUESTION
Front
Back
Irrational
5.
FLASHCARD QUESTION
Front
Back
18, which is rational.
6.
FLASHCARD QUESTION
Front
What is the sum of a rational number and an irrational number?
Back
Irrational; the sum of a rational and an irrational is always irrational.
7.
FLASHCARD QUESTION
Front
What is the product of a nonzero rational number and an irrational number?
Back
Irrational; the product of a nonzero rational and an irrational is always irrational.
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