Does the equation $2x=4y$ represent a direct variation and if so, identify the constant of variation?

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Does the equation $2x=4y$ represent a direct variation and if so, identify the constant of variation?

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Answer 1 · 2017-07-05T07:31:51

$k=1/2$

Explanation:

$"direct variation is in the form "$

$y=kx" where k is the constant of variation"$

$2x=4y" can be arranged to this form"$

$"divide both sides by 4"$

$2/4x=4/4y$

$rArry=1/2xlarrcolor(blue)" in form y = kx"$

$rArrk=1/2$

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Does the equation $2x=4y$ represent a direct variation and if so, identify the constant of variation?

1 Answer

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Does the equation 2x=4y2x=4y represent a direct variation and if so, identify the constant of variation?

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Does the equation $2x=4y$ represent a direct variation and if so, identify the constant of variation?