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Mathematics 10 Online
OpenStudy (anonymous):

If y varies directly as x, and y is 6 when x is 72, what is the value of y when x is 8? 1/9 2/3 54 96

Nnesha (nnesha):

\[\huge\rm y = kx \] this is formula for direct variation first use x and y values to find k substitute y = 6 and x = 72 into the euation

OpenStudy (anonymous):

Thanks!

Nnesha (nnesha):

nah what you got :( ?

OpenStudy (anonymous):

what would i insert, kinda alittle slow here ....

Nnesha (nnesha):

|dw:1424211366172:dw| substitute 72 into x and 6 into y

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