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Mathematics 5 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. It's false right?

OpenStudy (ghazi):

\[y=kx\]

OpenStudy (ghazi):

put y=-9 and x=3 find k first

OpenStudy (ghazi):

then you can verify

OpenStudy (anonymous):

|dw:1362720997240:dw|

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