Homework Help: Geometry

Posted by Marina on Friday, January 13, 2012 at 4:49am.

The line m has the equarion y= 2x + 1. The line n is perpendicular to m and passes through the point A(2,1). Write an equation of n

Geometry - Damon, Friday, January 13, 2012 at 6:19am
slope of perpendicular = -1/m = -1/2
so
y = -x/2 + b
put in 2 for x and 1 for y and solve for b

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