Okay, so the first step is to take a closer look at the graph and see if you can spot the y-intercept. That's usually the easy part - just find where the line crosses the y-axis, and you've got your y-intercept! Then, you need to figure out the slope, which can be a bit trickier.
One way to do it is to choose two points on the line and use the slope formula to calculate the slope. It's like using a map to find the route between two points - you need to know where you are and where you're going, and then you can figure out the best way to get there.
Slope Intercept Form Graphing Worksheet - Adriansonfifth
But here's the thing: you don't always need to use the slope formula. Sometimes, you can just look at the graph and estimate the slope. It's like trying to guess the flavor of a recipe - you might not get it exactly right, but you can get close enough to make a good guess.