Question

find an equation that relates x and y inversely, such that y=109 when x=9

Answer 1

The equation is $x=\frac{981}{y}$

Step-by-step explanation:

It has been given that x and y related inversely.

Thus, we have the equation,

$x=\frac{k}{y}$

Substituting y=109 when x=9 in this equation and find the value of k.

$9=\frac{k}{109}$

Cross multiplying, we get

$k=109\times9\\\\k=981$

Therefore, the equation is

$x=\frac{981}{y}$

#Learn More:

What is the meaning of directly proportional and inversely proportional

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