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waves2114
13.06.2020 •
Mathematics
What are the slope and y-intercept of this line?
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Ответ:
The y intercept is where the graph crosses the vertical y axis. In this case, it's at the point (0,-1). Focus on the y coordinate and we see y = -1. The y intercept is b = -1.
The slope is m = 2 because we start at a point like the y intercept, and do the following steps
go up 2go over to the right 1and arrive at the point (1,1) which is also on the graph. We can follow these steps again to go from (1,1) to (2,3) and so on.
Alternatively, you can pick two points on the graph such as (1,1) and (2,3) to use the slope formula
m = (y2 - y1)/(x2 - x1)
m = (3-1)/(2-1)
m = 2/1
m = 2
Either way, the slope is 2.
Ответ:
is A, B, and C
Step-by-step explanation:A,B,C