In the XY plane,Line l passes through the points (0,2) and (0,1) and line m passes through the points(0.-4) and (4,0).If (a,b) is the point of intersection of line l and line m,which of the following is true?
1.a>0 & b>0
2.a>0 & b<0
2.a<0 & b>0
4.a<0 & b<0
5.a=0 & b=0
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Line L is the y axis. Hence it is clear that the point of intersection of the two line is (0,-4). So a = 0 and b = -4. None of the answer choices seem to be correct.
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