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Mathematics 12 Online
OpenStudy (anonymous):

Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. x = 6, 18, 54, 162 y = 24, 72, 216, 648 a. yes; k = 4; y =4x c. yes; k = 6; y =6x b. yes; k = 3; y =3x d. no

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