9 items are filed under this topic.
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A question about perfect squares |
2018-02-04 |
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From Jolyn: Find the smallest possible value of a whole number m if 648x m is a perfect square Answered by Penny Nom. |
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A quartic polynomial that is a perfect square |
2012-02-05 |
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From archit: If P(x)=x^4+ax^3+bx^2-8x+1 is a perfect square then (a+b)=? Answered by Penny Nom. |
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U(n+1) = 2Un + 1 |
2011-05-22 |
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From Cillian: In a certain sequence, to get from one term to the other you multiply by 2 and add 1, i.e. This is a difference equation of form: U(n+1) = 2Un + 1. prove that there is a maximum of 2 perfect squares in this sequence Answered by Claude Tardif. |
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Two problems |
2010-04-13 |
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From Dorothy: 1. Explain why the number 123, 456, 789, 101, 112 cannot be a perfect square. (Hint: What is the units digit?)
2. A substance doubles in volume every minute. At 9:00A.M., a small amount is placed in a container. At 10:00A.M., the container is just full. At what time was the container one-eighth full? Answered by Robert Dawson. |
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A perfect square |
2010-02-20 |
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From george: can this number 400....006 be a perfect square . how to solve problems like this. Answered by Chris Fisher and Tyler Wood. |
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Is zero a perfect square? |
2008-08-14 |
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From peter: is zero a perfect square? Answered by Penny Nom. |
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What is the largest perfect square factor of 1512? |
2008-07-02 |
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From peter: What is the largest perfect square factor of 1512? Answered by Penny Nom. |
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For how many positive integers n is n^2 + 96 is a perfect square? |
2007-12-18 |
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From Rajesh: For how many positive integers n is n^2 + 96 is a perfect square ? Answered by Penny Nom. |
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A perfect square that is equal to 1 acre |
2005-07-31 |
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From Shannon: If you have a perfect square that is equal to 1 acre, what is the length of the sides and how do you do it? Answered by Penny Nom. |
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