Which of the four lines differs from the other three?

A. Line 1

Step-by-step explanation:

When looking at this problem you might think that it is Line 2, but you can look to see which line is wrong by firstly using the graph in Line 4

We'll find out the slope using the formula , you can use any point from the graph, but I chose the points: (-1, 1) and (0,4) so if you plug those two points into the slope formula above you'll get

Now plug this into our point-slope formula:

Using this formula you can check to see whether any of the lines satisfy the equation.

Right off the bat, Line 1 won't do so that's your answer.

To be more sure you can put in the point of Line 3 and 2 as well either by hand or using a graphing calculator to see if they appear on a table using those points.

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step-by-step explanation:

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