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About variation in math


Sagot :

direct variation-> y=kx
inverse " -> y= k
x
combined-
joint


if y VARIES DIRECTLY as x ; y=kx

If y is PROPORTIONAL to x ; k=y/x

if y VARIES INVERSELY as x ; y=k/x

if y VARIES JOINTLY as x y=kxz

k isa called the constant of variation