11 pts! 5 star rating! on question and profile! first to answer all 6 questions gets brainliest!
see attachment for questions/answer choices! < 3

1) Slope is defined as the rise over the run.
In essence, the slope becomes -2 (A)

2) Use the formula:
(D)

3) Constant variation is defined as: y = kx, where k is the constant variation.
Thus, divide both sides by -4, to find that k = -2 (B)

4) The constant variation is defined as y/x, plugging in the values yields: a constant of 3.
Now, y = 3x is our equation.
Thus, when x = 10, y = 30

5) y-intercept at 9 indicates this: (0, 9)
Using point-gradient form, we produce:


(C)

6) Find the gradient using the two point-gradient form:



Substituting one of the points will yield:


(D)

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