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Step-by-step Answer
PAGE: 257SET: ExercisesPROBLEM: 9
Please look in your text book for this problem Statement

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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