Determine the constant of variation for the direct variation given. (0, 0), (3, 12), (9, 36) 12
4
3

4

Step-by-step explanation:

y = kx

Use point (3, 12).

12 = k * 3

k = 12/3 = 4

y = 4x

4

Divide y by x:

12/3 = 4

36 / 9 = 4

The constant of variation is 4

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step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get