Question

A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function? y = –3x y = –y equals StartFraction x Over 3 EndFraction. y = y equals StartFraction x Over 3 EndFraction. y = 3x

Answer 1

The answer is C. y=x/3

Explanation:

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Answer 2

The equation which represents the function is given by,

x = 3y .

Explanation:

The direct variation function contains the points, (-9, -3) and (-12, -4).

Here,

`\frac {-9}{-3} = \frac {-12}{-4}` = 3

So, the equation which represents the function is given by,

x = 3y .