quadratic equations
What quadratic equations means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of quadratic equations
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Reference: AQA
Equations solved by factorising, completing the square or using the quadratic formula, which can have two, one or no real solutions.
An equation that contains a squared term, such as x², and may have two solutions, one repeated solution or none.
Topics that use quadratic equations
- Solving equations and inequalities (AQA GCSE)
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- completing the square
- Simultaneous equations
- Substitution
- Algebraic modelling of real-world situations
- Approximate solution
- Checking solutions by substitution
- Coefficient
- collecting like terms
Using quadratic equations in the exam
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