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 December 11th, 2017, 09:48 AM #1 Newbie   Joined: Dec 2017 From: USA Posts: 6 Thanks: 0 Need help with this equation Write an equation for the line in point-slope form and slope-intercept form. Passing through the point (2,3) and perpendicular to the line y=5x+1. Thanks in advance!
 December 11th, 2017, 11:14 AM #2 Senior Member     Joined: Sep 2015 From: USA Posts: 2,203 Thanks: 1157 what's the slope, $m^\perp$ of a line perpendicular to a line with slope $m$ ? what's the slope of the line given by $y=5x+1$ ? so what is the slope of a line perpendicular to this line? given that and a point, point-slope form is easy enough. $(y-y_0) =m^\perp(x-x_0)$ where $(x_0,y_0)$ is any point on the line. do a tiny bit of algebra on that and you've got slope-intercept form $y = m^\perp x + b$

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