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Mathematics 16 Online
OpenStudy (rissa):

Write an equation of the direct variation that includes the point (9, –12). (A.) y = 1 1/3x (B.) y = - 1/12x (C.) y = 1 1/3x (D.) -3/4x

OpenStudy (anonymous):

y =-1 1/3x

OpenStudy (dumbcow):

For these just plug in the x-value and see if the resulting y matches the y-value

OpenStudy (anonymous):

Direct variation y=kx, solve for k

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