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Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. Please show the steps.
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For each increase of x, y increases by 2. Therefore your slope or "k" is 2. Now we find what y equals when x is 0, In this case, when x is 0, y equals -3. your equation is y=2x-3. :) Had the same question on my homework.
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