please help me with this IXL i only have an hour like i said on my last question and please tell me how to get the answer so i can do the IXL on my own plz!

Answer:
y=2x-6
Step-by-step explanation:
The slope of a line shows the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points.