User: desconectar
Maths Exercices
Distance from a point to a line

The formula that gives the distance between a point A=(m,n) and a line r:ax+by+c=0 is:

Find the distance from point A(4,1) to the line r:2x-y+4=0

Find the distance from the point A=(7,2) to the line that goes through the points P=(4,3) and Q=(-2,-5)

D =