Direct and Inverse Proportion (AQA GCSE Maths): Flashcards
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What does proportion describe?
What does proportion describe?
The relationship between two quantities and how they change relative to each other
Direct proportion characteristic
Direct proportion characteristic
Quantities increase or decrease together at the same rate
Direct proportion rule
Direct proportion rule
DIVIDE for ONE, then TIMES for ALL
Inverse proportion characteristic
Inverse proportion characteristic
As one quantity increases, the other decreases proportionally
Inverse proportion rule
Inverse proportion rule
TIMES for ONE, then DIVIDE for ALL
Symbol meaning
Symbol meaning
Is proportional to
Algebraic form of
Algebraic form of
Algebraic form of
Algebraic form of
Algebraic form of
Algebraic form of
What represents in proportion equations
What represents in proportion equations
A constant value that stays the same for a given proportional relationship