  Math Central - mathcentral.uregina.ca  Quandaries & Queries    Q & Q    Topic: perfect squares   start over

3 items are filed under this topic.    Page1/1            A question about perfect squares 2018-02-04 From Jolyn:Find the smallest possible value of a whole number m if 648x m is a perfect squareAnswered by Penny Nom.     U(n+1) = 2Un + 1 2011-05-22 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 sequenceAnswered by Claude Tardif.     Two problems 2010-04-13 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.      Page1/1    Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.    about math central :: site map :: links :: notre site français