Asked by Lucy

Which system is inconsistent?

A) y=0.5x
x-2y=1

B) 2x-y=8
4x+y=5

C) x+y=0
2x=y

D) y= -1
x=2


Answer: A

Thanks
Answered by Damon
yes, the two lines in A have the same slope and only one of them goes through the point (0,0) so they never cross.
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