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Questions  

The point of intersection of lines 2x+3y+4=0 and 6xy+12=0  is

a
1,0
b
−2,0
c
−3,0
d
−3,−1

detailed solution

Correct option is B

Eliminate  y 2x+3y+4+36x−y+12=02x+3y+4+18x−3y+36=020x+40=0x=−2Substitute x=-2  in the equation  2x+3y+4=0 2−2+3y+4=03y=0y=0Therefore, the point of intersection is −2,0

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