What is a perfect square?
Repeating Decimals as Fractions/Perfect Squares/Square Roots

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16, and 25 are perfect squares.
2.
FLASHCARD QUESTION
Front
Which of the following numbers is NOT a perfect square: 1, 4, 8, 9?
Back
8 is NOT a perfect square.
3.
FLASHCARD QUESTION
Front
What is the square root of 81?
Back
The square root of 81 is 9.
4.
FLASHCARD QUESTION
Front
What is the definition of an irrational number?
Back
An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.
5.
FLASHCARD QUESTION
Front
Is π a rational or irrational number?
Back
π is an irrational number.
6.
FLASHCARD QUESTION
Front
What is the square of 1?
Back
The square of 1 is 1 (1^2 = 1).
7.
FLASHCARD QUESTION
Front
Identify a perfect square from the following: 15, 25, 30, 256.
Back
256 is a perfect square (16^2 = 256).
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