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9966 [12]
2 years ago
14

How to find the slope and y-intercept using a graph??????????

Mathematics
2 answers:
Musya8 [376]2 years ago
7 0
The y intercept is anywhere the line crosses the y-axis. For example on the first graph it hits 1 on the y-axis. To find the slope you use rise/run (what I call it) so find two points and find the distance in between. For the bottom left graph you'd use the point (-1,0) and (0,2). Go to the up two from (-1,0) and to the right one to (0,2) which is 2/1. So your slope is 2 (aka b). I hope that helped!
svlad2 [7]2 years ago
6 0
The y-intercept is where on the graph the line is intersecting the y=axis. Slope is in the form y=mx+b  (b=y-intercept, mx=how far up and over.)
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