Browsing by Subject "Variables"
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Solving cubic equations in two variables
(Irish Mathematical Society, 2007)After recalling a geometric construction of all Pythagorean triples of integers, the same idea is applied to find rational solutions of cubic equations in two variables. This leads to the definition of the Mordell-Weil ... -
Varying your approaches to teaching variables
(INTO [Irish National Teachers Organisation], 2011)Our previous article Getting the balance right: The equals sign presented activities which can be used to introduce children to translating and solving word problems using equations where the unknown is represented with a ...