1c.+Equations+-+Teachers

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Working with Absolute Value Equations

 * This topic can be extremely confusing for students. It helps to show the graphical situation when discussing the equations, especially for the more complex situations such as | 2x - 1 | = 3x + 1 which have only one valid solution.



Memorable Quotes
Pender (p. 285): "//Completing the square is the fundamental approach to quadratics. It works in every case, in contrast with factorising, which really only works in exceptional cases//".