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Prerequisites
- A12a – Graphs of [linear functions,] quadratic functions, [simple cubic functions, and the reciprocal function]
- A18a – Solving quadratic equations by factorising
Identifying roots, intercepts and turning points of quadratic functions graphically
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Teacher resources
Links to past exam questions
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Interactive activity: Identifying roots, intercepts and turning points
Identify the turning point, \(y\)-intercept and any roots (or \(x\)-intercepts of the quadratic function. Click “New question” to generate a new graph and “Show answer” to reveal the answer.
If the answer covers some of the graph, you can drag it out of the way.
Identifying the equation of a quadratic curve given the points of intersection with the axes
In the real world
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