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Suppose y varies directly with x and y=76 when x=19 what is the value of x when y = "-32

Sagot :

The value of  y = -32 , x = -8 .

What is the meaning of Direct Variation ?

Direct Variation is when a variable is dependent on the other variable such that , on increasing one variable the other also increases.

It is given that

x and y are two variables

and they are in direct variation

y ∝ x

y = k x

where , k is the proportionality constant

From the given data , y = 76 when x = 19

76 = k * 19

k = 4

The value of x , when y = -32

-32 = 4 * x

x = -8

Therefore for y = -32 , x = -8 .

To know more about Direct Variation

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