Working with Quadratic Functions

Topic Revision

Maximum and minimum values

Notes from Leckie & Leckie's Success Guide.
The discriminant

Notes from Leckie & Leckie's Success Guide.
Turning points and the axis of symmetry

Notes from Leckie & Leckie's Success Guide.
Graphic calculators

Notes from Leckie & Leckie's Success Guide.

Past Paper Questions

Determine the nature of the roots of a quadratic function (Q8 P1 2018)
Determine the nature of the roots of a quadratic function (Q6 P1 2016)
The discriminant (Specimen)

Web Resources

On-line Calculators
- Discriminant calculator (from mathcaptain.com)
Interactive Resources
- Explore a(x-b)²+c. How is min/max related to a,b and c? (from desmos.com)
- Explore the axis of symmetry of a parabola (from mathwarehouse.com)