Use a scalar projection to show that the distance from a point P1(x1, y1) to the line ax+by+c=0 is (|ax1+by1+c|)/sqrt(a^2+b^2). Use this formula to find the distance from the point (-2, 3) to the line 3x-4y+5=0.

Leave a tip for good service: https://paypal.me/jjthetutor

Student Solution Manuals: https://amzn.to/2WZrFnD

More help via http://jjthetutor.com

Download my eBooks via http://payhip.com/jjthetutor,

paperback via http://amazon.com/author/jjthetutor.