Mathematics A-Level
inequality regions
What inequality regions means in Mathematics A-Level, as defined for WJEC.
Definition of inequality regions
Check what you remember
Read the wording for your board, then hide it and explain inequality regions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Identified by sketching the parabola to visualise where the curve lies above or below the x-axis.
Topics that use inequality regions
- Algebra and Functions (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- algebraic division
- Asymptotes
- boundary curves
- Completing the square
- conjunction
- critical values
- curve sketching
- dashed and solid lines
Using inequality regions in the exam
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