What is the direct variation equation iffy varies directly with x and y = 12 when x= 6

y = 2x

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 12 when x = 6

k = = = 2, hence

y = 2x ← equation of variation

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step-by-step explanation:

answer by yourhope:

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