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| PAGE: 257 | SET: Exercises | PROBLEM: 9 |
The equation is 
.
The equation 
does not adjusted in the form 
, so it does not represent a direct variation.
The equation is 
.
Rewrite the equation 
in the form by solving for y.
Subtract 3x from each side.
Divide each side by negative 7.
The equation 
cannot be rewritten in the form , so it does not represent a direct variation.
The equation is 
.
Rewrite the equation 
in the form by solving for y.
Subtract 3x from each side.
Divide each side by negative 7.
The equation can be rewritten in the form , so it represents a direct variation.
The option C is correct answer.
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Simply chose a support option
  
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