jessicabrahmerp3ui0u jessicabrahmerp3ui0u

09-02-2018
Mathematics

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A direct variation function contains the points (-9,-3) and (-12,-4). Which equation represents the function? y= -3x, y= -x/3, y= x/3, y= 3x

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tn0982p46cab tn0982p46cab

22-02-2018

To find the equation, find the slope from the two points. The slope formula is (y1-y2)/(x1-x2). Plugging in the two points, you should get 3 as your slope.

As a line, the answer would be y=3x. Therefore, y=3x represents the function described.

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uallen204 uallen204

18-06-2020

Answer:

I think that the answer is D

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