Real number sets #2
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a whole number?
Back
A whole number is a non-negative integer, including zero. Examples: 0, 1, 2, 3, ...
2.
FLASHCARD QUESTION
Front
Is -10 a whole number?
Back
No, -10 is not a whole number.
3.
FLASHCARD QUESTION
Front
What are rational numbers?
Back
Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Examples: 1/2, -3, 4.75.
4.
FLASHCARD QUESTION
Front
What are irrational numbers?
Back
Irrational numbers cannot be expressed as a simple fraction. Their decimal representation is non-repeating and non-terminating. Examples: π, √2.
5.
FLASHCARD QUESTION
Front
What is a real number?
Back
Real numbers include all rational and irrational numbers. They can be found on the number line.
6.
FLASHCARD QUESTION
Front
Is -18.95 a rational number?
Back
Yes, -18.95 is a rational number because it can be expressed as a fraction (-1895/100).
7.
FLASHCARD QUESTION
Front
What type of number is 2.75?
Back
2.75 is a rational number because it can be expressed as a fraction (11/4).
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