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Published: 26/03/2021
12 pages

Solving quadratic equations - three methods

A KS4 PowerPoint and worksheet resource to develop fluency in solving quadratic equations.  The activity involves comparing the three methods of solving quadratic: factorising, using the quadratic formula and completing the square.  The questions on the worksheet are designed so that the first few can be done using any of the three methods. Later on, there are questions where one method is much easier than the others or where one method doesn't work. There is also a question with no solutions which can lead to a discussion of the discriminant and sketching quadratics.     

See other resources: Algebra | Quadratics – factorising and expanding

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