Me plz i’ve asked this question a couple times but i did it wrong

Since the y-intercept is -3, plot a point at -3 on the y-axis (vertical). Then, continue to make points by following the slope down.
Remember, slope is written as y/x
A slope of -1/2 could be interpreted as -1 over 2. So, each time you move down 1 space, you move to the right 2 spaces.
So, following the slope down, you'd plot another point at (2,-4). Then, another at (4,-5), and so on. Understand?

First one is 1 second one is 3