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The perfect square of 9 is 81.
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∙ 12y ago
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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.
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!
Is 9 a perfect square number?
Yes, nine is a perfect squarebecause 9 = 3*3
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
What is 81 a perfect square by what number?
81 is a perfect square because 81 = 9 x 9
Is 9 a perfect square?
Yes, nine is a perfect squarebecause 9 = 3*3
Is 8 a perfect square?
8 is a perfect cube; it is not a perfect square. Its square root is a fraction and the square root of a perfect square is always an integer....you're thinking of 9...
Is 16x2-36x plus 9 a perfect square?
16(2)-36+9 32-36+9 -4+9 No, it isn't a perfect square.
What are perfect square?
A perfect square is a rational number that is the square of another rational number. 9, 16, 25, etc., are perfect squares of 3, 4, 5, etc., and X2 + 6X + 9 is a perfect square of (X + 3).
Why is 81 both a perfect square and a perfect cube?
81 is a perfect squarebecause 81 = 9*9. It is NOT a perfect cube.
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.
What is the perfect square factor of 63?
9
What is a perfect square factor?
All numbers have factors. Some factors are perfect squares. We call these perfect square factors. 9 is a perfect square factor of 27.
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!
