What figure is comprised of two rays that share a common end point called a vertex?
1 answer:
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Given:
A straight line goes through (-2,1), (0,0), and (2,-1).
To find:
The slope of the given line.
Solution:
Slope formula
Consider any two points from the given points.
The line goes through (-2,1) and (0,0). So, the slope of the line is
Therefore, the slope of the line is .