Mathematics GCSE
Quadratic inequalities in one variable
What Quadratic inequalities in one variable means in Mathematics GCSE, as defined for AQA.
Definition of Quadratic inequalities in one variable
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Reference: AQA
Inequalities solved by finding the critical values where the quadratic equals zero, then testing intervals to determine where the inequality holds.
Topics that use Quadratic inequalities in one variable
- Solving equations and inequalities (AQA GCSE)
Related terms
- Checking solutions by substitution
- collecting like terms
- completing the square
- Convergence
- Exact surd solutions
- Factorising quadratic expressions
- Graphical representation of inequalities
- Inequality notation and direction
Using Quadratic inequalities in one variable in the exam
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