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Mathematics
Ratio, Proportion and Rates Of Change
Proportionality
Inverse Proportion
Inverse Proportion
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
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.
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Direct Proportion
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Exponential Growth and Decay
