Skip to content

Course home

x
Quadratic Formula
x

Recognising a quadratic

Recognising a quadratic

Parabola on coordinate axes crossing the x-axis at two roots

A quadratic equation has highest power 2, such as x2x^2x2. Before using the formula, write it in standard form ax2+bx+c=0ax^2+bx+c=0ax2+bx+c=0 with a≠0a \ne 0a=0.

Quadratic Formula Lesson

  1. IGCSE
  2. /Maths
  3. /Quadratic Formula

Step-by-step lessons on Edexcel IGCSE Maths Quadratic Formula. Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.

Lessons