Read the lesson
Additional MathematicsAlgebra and Functions

Nature of roots: the discriminant

20 min readForm 4 · Cameroun

Use b²−4ac to decide if a quadratic has two, one or no real roots, and find unknown constants from conditions on the roots.

Continue in Revizz

The full lesson, and Savio to answer your questions.

Read the full lesson No account yet? It’s free.

All Additional Mathematics lessons in Form 4 →