Question

If y varies inversely as x, and if y = 9 when x = 2, find y when x = 3.​

Answer 1

Maths

Direct and Inverse Proportions

Inverse Proportion

If y varies inversely as x ...

MATHS

If y varies inversely as x, and y=9 when x=2, find y when x=3.

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ANSWER

y=

x

k

[as y various inversaly with x]

y=9;x=2

k=yx=9×2

k=18

y=

x

18

when x=3 y=

3

18

y=6

hope its help you.....

Answer 2

$\huge \cal \underline \color{magenta}★A᭄ɴsᴡΣʀ࿐$

A/q

y=k/x ,

where k is the constant of proportionality

As, 9 = k/2 :

y = 9 & x = 2

so, k=18.

Hence,

y=18/3 ;

as x=3 & k=18

so,

Aɴs : y=6