Mathematics A-Level
linear inequalities
What linear inequalities means in Mathematics A-Level, as defined for WJEC.
Definition of linear inequalities
Check what you remember
Read the wording for your board, then hide it and explain linear inequalities in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Solved like linear equations, except multiplying or dividing by a negative quantity reverses the inequality sign.
Topics that use linear inequalities
- 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 linear inequalities in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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