michaelhenley778 michaelhenley778

16-08-2021
Mathematics

contestada

If the value of "y" varies directly with "x"
and y = -8 when x = 4.
Find "y" when x = -4

Respuesta :

juliuskmansaray juliuskmansaray

22-08-2021

Answer:

Y=K×X

when Y=-8 and X=4

-8=K×4

-8=4K divide both sides by 4

K=-2 constant

To find Y when X=-4,Y=? and K=-2

Y=-2×-4

Y=8

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