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Mathematics 24 Online
OpenStudy (anonymous):

True or False? Y varies directly with x and y = -9 when x = 3. When y = 27, the value of x is 9.

OpenStudy (anonymous):

False. when y=27 x=-9

myininaya (myininaya):

y=kx plug in x=3 and y=-9 and solve for k is first step

myininaya (myininaya):

-9=k*3 -9=3k Solve this for k and let me know what you get.

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