1.

The straight line \[ax+by+c=0\], where \[abc\ne 0\], will pass through the first quadrant if

A.  \[ac>0,bc>0\]
B.  \[c>0\,and\,bc<0\]
C.  \[bc>0\,and/or\,ac>0\]
D.  \[ac<0\,and/or\,bc<0\]
Answer» E.


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