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

Step-by-step explanation:

Given: Direct Variation

(0,0) ,(3,12),(9,36)

Required

Constant of Variation

Provided that the given data is a direct variation, the constant variation is represented by r.

r is calculated as thus;

Divide both sides by x

Point (0,0) is the center of origin and cannot be used

When x = 3, y = 12

and

When x = 3, y = 12

and

Notice that the value of r remain constant in both cases; Hence, the constant of variation is;

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