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5.2.2 Inverse Proportion — OCR Mathematics J560 | GradeGen.AI
Mathematics
Ratio, Proportion and Rates Of Change
Proportionality
Inverse Proportion
Inverse Proportion
OCR GCSE Mathematics (J560) — Ratio, Proportion and Rates Of Change
What You Need to Know
Solve simple word problems involving inverse proportion or simple algebraic proportions.
Solve formal inverse proportion problems where
y
∝
1
x
y \propto \frac{1}{x}
y
∝
x
.
Revision Notes
1
Inverse Proportion
7 key terms
Practise with Past Papers
Key Terms & Definitions
Previous Subtopic
Direct Proportion
Next Topic: Growth and Decay
Exponential Growth and Decay
1
Recognise that
y
=
k
x
y = \frac{k}{x}
y
=
x
k
implies
y
y
y
is inversely proportional to
x
x
x
.
Formulate and solve equations involving a quantity inversely proportional to a power or root of another quantity.
