Question

Determine whether y varies directly with x. If so, find the constant of variation k and write the equation.

Answer 1

Answer:

○$\displaystyle yes; k = 4; y = 4x$

Step-by-step explanation:

All you are doing is plugging numbers into each answer choise to determine the equation and constant of variation. When you do, you will arrive at this answer. You could also apply mental mathematics to determine whether or not these chart displays a scale factour of 4, which they do.

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