Quadratic functions — A/L Combined Mathematics

What should I read on Quadratic functions?

Work through these in order. Resources in English.

1. 1. Start here · Explanation
   Khan Academy Algebra — Quadratic Equations, Discriminant and Nature of Roots

   This link opens the whole course, not a page on this topic. It follows its publisher's own syllabus, not the NIE syllabus.

   Free lessons with short videos and practice exercises. Use it to learn the idea step by step before you attempt exam questions.

   Source: Khan Academy — Algebra
2. 2. Then · Interactive tool
   GeoGebra Graphing Calculator — Parabolic Trajectories and Turning Points of Quadratics

   This link opens the tool itself — you build the example. It follows its publisher's own syllabus, not the NIE syllabus.

   A free graphing and geometry tool. Use it to draw the figure or graph yourself and test what changes when you move a point or a value.

   Source: GeoGebra — Graphing Calculator

Next in the syllabus

Where does Quadratic functions fit in the syllabus?

Year 1 · Term 1