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What are facts about perfect square?
A perfect square is a rational number that is equal to the square of another rational number; 9 is a perfect square because it is a rational number that is the square of 3, another rational number.A polynomial that is the square of another polynomial is also a perfect square; x2 - 8x + 16 is a perfect square because it is the square of the polynomial x - 4.
Is the perfect square of 64 a rational or irrational number?
It is a rational number - as are ALL perfect squares.
Is a non-perfect square a rational number?
It can be. 7 is a non-perfect square and, being an integer, it is rational.
What does the mathematical term perfect square mean?
The mathematical term 'perfect square' means that a number, which has a rational number as its square root. 25 is a perfect square, because its square root is 5, a rational number.
If you do not know the square root of a really big number how do you know if its rational?
Assuming your number is an integer: if the number is a perfect square, the number is of course an integer, and therefore rational. If the number is NOT a perfect square, it is irrational.
