EM-2568

Inverse proportion

E Math · Secondary 4 · Hard · Inverse proportion

A variable

y

is inversely proportional to the square of

(x-1)

. When

x=5

,

y=\dfrac{3}{8}

.

Express

y

in terms of

x

.

$y=\dfrac{6}{(x-1)^2}$
$y=\dfrac{3}{(x-1)^2}$
$y=\dfrac{6}{x-1}$
$y=6(x-1)^2$

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