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Sorry for posting again, but I just realized these are the actual questions:
Please confirm for me these are the final answers and they dont need simplifying...
Are these the final answers? I'm unsure.
Your first equation is correct. It's in the form y=mx + b, where m is the slope and b is the y-intercept. b was easy to find because it was given to you, but not all problems are so nice. In this case, point-slope form (y = y1 + m(x - x1)) is your friend. So:
I have a task where I have to find the equation of ....