AQA GCSE Mathematics · 8300
Specification A22 · Paper 1, Paper 2, Paper 3
Revise: Quadratic InequalitiesThen solve the corresponding equation to find its critical values.
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GCSE Mathematics · key term
A value of x where the corresponding quadratic expression equals zero; it marks a possible boundary between solution intervals.
Used by AQA
Specification A22 · Paper 1, Paper 2, Paper 3
Revise: Quadratic InequalitiesThen solve the corresponding equation to find its critical values.
Rearrange so one side is zero before finding the critical values.
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