Year 12

Quadratic Equations

Choose a subtopic, explore its examples and practise with feedback.

Choose a subtopic.

Explore quadratic equations for Year 12. Each subtopic has sample questions and worked answers; choose the skill you want to practise.

Optional extension. Rearrange equations and factorise ax² + bx + c, including fractional roots.

Optional extension. Solve quadratics with exact surd roots, using completing the square and the quadratic formula.