Which equation best represents the line graphed above? y=-3x-1 y=-3x+1 y=3x+1 y=3x-1

Step-by-step explanation:

The line has positive slope, therefore the variable in the equation must be positive ( and must be discarded)

Now, in the graph we can see that the line passes over the following points:

With the point , we can discard because:

in the equation  , we have:

The line doesn't pass over the point

Therefore, the equation is .

We can verify the answer with the points and , replacing values in the equation:

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