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Mathematics 13 Online
OpenStudy (anonymous):

The point (12,9) is included in a direct variation. What is the constant of variation? a)1/2 b)3/4 c)1 d)2

OpenStudy (freckles):

assuming the equation they expect you to use is y=kx solve for k when x=12 and y=9

OpenStudy (anonymous):

3/4?

OpenStudy (freckles):

right

OpenStudy (anonymous):

Thanks

OpenStudy (freckles):

it could have been the other way around x=ky this is still a direction variation by 4/3 wasn't an option so we didn't have to go there

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