Using a scalar projections how do you show that the distance from a point P(x1,y1) to line(adsbygoogle = window.adsbygoogle || []).push({});

ax + by + c = 0 is

[itex]\frac{|ax1 +b y1 + c|}{\sqrt{a^2 +b^2}}[/itex]

I do not know how to approach this, please provide some guidance.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Scalar projection - finding distance between line and point

**Physics Forums | Science Articles, Homework Help, Discussion**