Linear inequalities (AQA GCSE Further Maths): Flashcards

Relationship between two values using inequality symbols

Equations give exact value; inequalities give range of values

Less than

Greater than

Less than or equal to

Greater than or equal to

Reverse the inequality sign

Variable between two values, satisfying multiple constraints

Use smallest $a$ and largest $b$

Use largest $a$ and smallest $b$

Forgetting to reverse sign when multiplying/dividing by negative

$≤$ and $≥$ (not $<$ or $>$)