Posted by **Milly** on Thursday, September 5, 2013 at 2:56pm.

If a line L1 has equation y = mx + b, where m and b are constants with m ¹ 0,then an equation of a line L2 perpendicular to L1 has the form , where C is a constant.

- algebra -
**Steve**, Thursday, September 5, 2013 at 3:31pm
L2: y = -1/m x + C

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