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Determine whether the equation represents a direct variation. If it does, find the constant of variation.

2y = 5x + 1

a) not a direct variation
b) direct variation, constant of variation is 5/2
c) direct variation, constant of variation is 2/5
d) direct variation, constant of variation is 1-2/5

please explain if you can ! i don’t understand how to determine whether or not an equation is a direct variation.

Respuesta :

trevordoyleione

so direct variation is y=kx

the y and x are directly related.

so it it would look like this y=2x

cant have things added or subtracted

So this one is not a direct variation because it has +1 (actually 1/2 2is divide through)


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