Question

3.

Find the constant of variation k for the direct variation.


A. k = 2

B. k = –0.5

C. k = –1.5

D. k = –2

Answer 1

D. k = –2

Explanation:

Answer:

K = -2

Step-by-step explanation:

If y varies directly as x, k (constant) can be found by dividing the y-coordinate by the x-coordinate.

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A.. k= 2

Answer 2

D. k = -2

Explanation:

constant of variation:

`k=(f(x))/(x)`

`=(2)/(-1)`

`= -2`

so the right answer is -2

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