
Real Number (Flashcard 1)

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a real number?
Back
A real number is any number that can be found on the number line, including both rational and irrational numbers.
2.
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.
3.
FLASHCARD QUESTION
Front
What are irrational numbers?
Back
Irrational numbers are numbers that cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.
4.
FLASHCARD QUESTION
Front
What is the square root of a number?
Back
The square root of a number x is a value that, when multiplied by itself, gives x.
5.
FLASHCARD QUESTION
Front
What is the approximate value of √6?
Back
Approximately 2.45.
6.
FLASHCARD QUESTION
Front
What is the approximate value of √8?
Back
Approximately 2.83.
7.
FLASHCARD QUESTION
Front
How do you round a number to the nearest tenth?
Back
Look at the hundredths place; if it's 5 or more, round up the tenths place by one.
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