chuckjones chuckjones
  • 10-11-2016
  • Mathematics
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Kenneth claims that (2,0) is the point of intersection of the lines y= -2x+4 and y=x-2. Is he correct? How do you know?

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weatherbug02
weatherbug02 weatherbug02
  • 10-11-2016
Kenneth is correct because when you put the coordinates in to replace x and y you get 0=-2(2)+4 and simplifying that you get 0=-4+4, and simplifying it one more time gives you 0=0, which is true. The other problem, y=x-2 is true for the same reasons. You put in the coordinates and you get 0=2-2 and 2-2=0, so therefore it also checks.
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