How to Survive Additional Maths (Cambridge iGCSE): Solving modulus equations / Harder graphs of the modulus function

Monday, 20 January 2014

Solving modulus equations / Harder graphs of the modulus function

How to solve an equation that has modulus in it.

Question: Solve │2x + 7│= 9

How to draw graphs of modulus functions eg. y = │2x + 3│ - 1

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