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Mathematics 12 Online
OpenStudy (anonymous):

Which equations show direct variation between x and y? Choose all answers that are correct. A. 3x=y B.y=4.2/x C. y/x=6 D. y=0.5

OpenStudy (anonymous):

2 medals who ever helps

Nnesha (nnesha):

what's the equation for direct variation ?

OpenStudy (anonymous):

i don't know the equation for the direct variation DIRECTLY

Nnesha (nnesha):

\[\huge\rm y = kx \] equation for direct variation where k is constant of variation

OpenStudy (anonymous):

BUT their no k

Nnesha (nnesha):

k is multiplying with x

Nnesha (nnesha):

yes there is a k :-) not the variable but values anything with x is k

Nnesha (nnesha):

for C you have to solve that equation for y

OpenStudy (anonymous):

so it's c or solve it

Nnesha (nnesha):

did i say it's C ?? i said you have to solve c option for y

OpenStudy (anonymous):

sorry um x=y/6

Nnesha (nnesha):

|dw:1429376737781:dw| get y by itself not x

OpenStudy (nincompoop):

\(y = kx \rightarrow kx = y \rightarrow 3x =y \)

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