Mathematics GCSE
quadratic formula
What quadratic formula means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of quadratic formula
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Reference: Pearson Edexcel
A method that runs off the coefficients alone, written as x = (−b ± √(b² − 4ac)) / (2a), and is the safe choice when nothing factorises neatly.
Topics that use quadratic formula
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- Algebraic modelling of real-world situations
- Approximate solution
- Coefficient
- completing the square
- Defining variables and interpreting solutions
- Discriminant
- Elimination
- Factor
Using quadratic formula in the exam
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