The Mathematics Teacher (MT), an official journal of the National Council of Teachers of Mathematics, is devoted to improving mathematics instruction from grade 8-14 and supporting teacher education ...
The coordinates of the turning point and the equation of the line of symmetry can be found by writing the quadratic expression in completed square form. Find the equation of the line of symmetry and ...
We obtain simple and generally applicable conditions for the existence of mixed moments E([X′ AX]u/[X′ BX]v) of the ratio of quadratic forms T = X′AX/X′BX, where A and B are n × n symmetric matrices ...
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