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rinkagamine
rinkagamine rinkagamine
  • 25-01-2017
  • Mathematics
Answered

The value of y varies directly with x, and y = 4 when x = 1.

Find y when x = −3.

A−12
B7
C1
D−7

Verified Answer :

alekos
alekos alekos
  • 28-01-2017

y=kx
from the info given k=4
hence when x=-3 y=-12

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