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What is the direct variation equation if y varies directly with x and y= -12 When x= 6? A. y = -2x B. y = - 1/2x C. y = -6x D. y = -18x

What is the direct variation equation if y varies directly with x and y= -12 When x= 6? A. y = -2x B. y = - 1/2x C. y = -6x D. y = -18x
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What is the direct variation equation if y varies directly with x and y= -12 When x= 6?

A. y = -2x

B. y = - 1/2x

C. y = -6x

D. y = -18x

User Bersling
by
8.9k points

2 Answers

5 votes
The answer would be A y = -2x
User Nikita Leonov
by
8.4k points
5 votes
If y varies directly with x, then the ratio y/x will always be the same. Set it equal to the known values and solve for y.

y/x = -12/6

Cross multiply

6y = -12x

y = -2x


User Gmustudent
by
8.6k points
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