A ataratar Member Joined Aug 4, 2012 Messages 78 Gender Female HSC 2014 Jul 27, 2013 #1 If I have the lines: y= x - a ; y= -x -a ; y = -x + 3a ; y = x + 3a how do I "show that these four lines form a square with diagonals intersecting at the focus?" thanks in advance
If I have the lines: y= x - a ; y= -x -a ; y = -x + 3a ; y = x + 3a how do I "show that these four lines form a square with diagonals intersecting at the focus?" thanks in advance
asianese Σ Joined Sep 20, 2010 Messages 2,225 Gender Undisclosed HSC 2012 Jul 27, 2013 #2 Find the points in intersections of the four lines. Then find the intersection of the diagonals.
