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Earn +20 ptsQ: What is the perfect square of 9?
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How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
Is 16x2-36x plus 9 a perfect square?
16(2)-36+9 32-36+9 -4+9 No, it isn't a perfect square.
Why is square root of 9 a rational number and square root of 3 is an irrational number?
Because 9 is a perfect square - which means that its square root is an integer. 3 is not a perfect square.
Is 9 a perfect square number?
Yes, nine is a perfect squarebecause 9 = 3*3
What is the difference between finding the square root of a perfect square and the square root of a non perfect square?
The square root of a non-perfect square may be irrational and therefore may not be easy to find. However, it need not be.For example, 2.25 is not a perfect square but 2.25 = 9/4 and both 9 and 4 are perfect squares. So sqrt(2.25) = sqrt(9/4) = sqrt(9)/sqrt(4) = 3/2 = 1.5. Not that difficult!
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