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Published: 14/06/2013
3 pages

The shape of the quadratic function

Determine the overall shape of a graph – if it's possible! – when given information on a, c and the discriminant (b² – 4ac). You can choose whether to use the cards for a matching activity, sketch the graphs from scratch, or come up with the conditions when given the graphs.    

See other resources: Pure | Non-linear graphs – quadratics and cubics

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Camilla Clarkson
Camilla Clarkson
Thank you for your feedback. The contributor has been notified of your lovely comments.
Posted on 8th October 2019
Colleen Young
Colleen Young
An excellent resource I have used often. This will really help students make the links between the algebraic and graphical representations.
Posted on 25th September 2019
Stephen Vickers
Stephen Vickers
This is an easy to follow practical exercise that allows students to think about the quadratic in terms of a, b and c and the impact they make on the graph shape. A great resource
Posted on 13th October 2015

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