How to graph the linear equation using the slope and y-intercept. y=3x+4

Mathematics

2 answers:

malfutka [58]3 years ago

5 0

The y-intercept is the starting point. So whatever it is that's where you start on the y-axis. Then for the slope it's 3/1 so you go up 3 over 1. Or you can go down 3 over -1. Hope this helps

PilotLPTM [1.2K]3 years ago

4 0

Get out your graphing paper. Since the slope formula is y=mx+b, we can say that +4 is b, which also stands for the y-intercept. Because +4 is the y intercept, place a point on (0,4). Then, using the slope (m or 3), we can figure out where the second point will go.
Slope is another word for rise over run. In this case it is 3/1 because that is what 3 is when converted to a fraction. So, from (0,4), we go up 3 and over to the right by 1 to plot the second point, (1,7). Connect the plotted points with the ruler.
Tldr; Plot a point at (0,4) because the y intercept is +4, plot a point at (1,7) because the slope is 3/1, and use a ruler to connect the two points in a line.

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