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Quadratic Formula
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Standard form and the formula

Standard form and the formula

Some quadratics factorise, but many do not. The quadratic formula works for any quadratic equation, even when the answers are awkward decimals or surds.

Quadratic Formula Lesson

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

Step-by-step lessons on CCEA GCSE Maths Quadratic Formula. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.