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December 11th, 2017, 08:48 AM  #1 
Newbie Joined: Dec 2017 From: USA Posts: 6 Thanks: 0  Need help with this equation
Write an equation for the line in pointslope form and slopeintercept form. Passing through the point (2,3) and perpendicular to the line y=5x+1. Thanks in advance! 
December 11th, 2017, 10:14 AM  #2 
Senior Member Joined: Sep 2015 From: USA Posts: 1,977 Thanks: 1026 
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, pointslope form is easy enough. $(yy_0) =m^\perp(xx_0)$ where $(x_0,y_0)$ is any point on the line. do a tiny bit of algebra on that and you've got slopeintercept form $y = m^\perp x + b$ 

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equation, point slope, slope intercept 
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