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OpenStudy (anonymous):
Find the constant of variation k for the direct variation. 2x +6y = 0
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OpenStudy (anonymous):
@dtan5457
OpenStudy (dtan5457):
The formula for direct variation is y=kx from 2x+6y=0, you want to isolate y and put into that form. Then solve for k
OpenStudy (anonymous):
K = 3?
OpenStudy (dtan5457):
So like 6y=-2x You can see that when y=6, x=-2 So 6=k(-2) Solve for k
OpenStudy (anonymous):
k = -1/3
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OpenStudy (dtan5457):
What times -2 =6?
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