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December 1st, 2016, 08:58 PM  #1 
Newbie Joined: Dec 2016 From: Hong Kong Posts: 2 Thanks: 0  Equations of straight lines
How can I find the equation of straight line L of question 6?

December 1st, 2016, 09:05 PM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,617 Thanks: 2072 
Hint: the angle between L and the yaxis is 45$^\circ$, so L intersects the xaxis at (3,0).


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