GCSE Maths (Edexcel)
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Algebra
Graphs
Turning Point of a Quadratic
2:53
Quadratic Graphs
Spec
A11
- The turning point of a quadratic graph is the highest or lowest point of the curve
- The turning point is also a point where the gradient changes sign
- For a positive quadratic, the turning point will always be a minimum
- For a negative quadratic, the turning point will always be a maximum
- The line of symmetry of a quadratic graph will always go through the turning point
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