ekvitin7252 ekvitin7252
  • 02-10-2018
  • Mathematics
contestada

Find the constant of variation k for the direct variation. 4x = -6y


(A.) k = -2/3 (B.) k = 2/3 (C.) k = -3/2 (D.) k = -6

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jimrgrant1 jimrgrant1
  • 02-10-2018

k = - [tex]\frac{2}{3}[/tex] → A

the equation for direct variation is y = kx ( k is the constant of variation )

thus k = [tex]\frac{y}{x}[/tex]

given - 6y = 4x is a direct variation equation then

k = [tex]\frac{4}{- 6}[/tex] = - [tex]\frac{2}{3}[/tex]


k =  


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