Find the equation of the line through the point (5,2) and parallel to the line 2y-3x=4.Find the value of a if the line ax-(a+1)y+2=0 does not intersect the pair of parallel lines.

The underlined part is what i could not get.

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- Oct 19th 2010, 09:52 AMIlsaCoordinate geometry--
Find the equation of the line through the point (5,2) and parallel to the line 2y-3x=4.

__Find the value of a if the line ax-(a+1)y+2=0 does not intersect the pair of parallel lines.__

The underlined part is what i could not get. - Oct 19th 2010, 09:01 PMbigwaverewrite
- Oct 19th 2010, 11:57 PMearbothcorrection
- Oct 20th 2010, 03:14 PMArchie Meade
The slopes of all 3 lines must be equal.

Hence