
determining rational and irrational numbers

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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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 \( \frac{a}{b} \), where \( a \) and \( b \) are integers and \( b \neq 0 \).
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 \( \frac{a}{b} \) where \( a \) and \( b \) are integers.
3.
FLASHCARD QUESTION
Front
Classify the number \( \frac{\pi}{2} \).
Back
Irrational
4.
FLASHCARD QUESTION
Front
Classify the number \( \frac{3}{5} \).
Back
Rational
5.
FLASHCARD QUESTION
Front
Are terminating decimals rational?
Back
Always
6.
FLASHCARD QUESTION
Front
Which of the following is a rational number: \( \pi \), \( \sqrt{8} \), 0.56565656..., \( \sqrt{10} \)?
Back
0.56565656... (it is a repeating decimal).
7.
FLASHCARD QUESTION
Front
Which of the following is rational: 0.211232112421125..., \( \pi \), \( \sqrt{25} \), \( \sqrt{12} \)?
Back
\( \sqrt{25} \) (it equals 5, which is a whole number).
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