Friday, 15 May 2015

Homework Help (Coordinate Geometry)

For Homework Help in maths contact me.

Find the distance between the points P(-4,7) &Q (2,-5)


Distance between two points  P & Q are given by( (x2-x1)^2+(y2-y1) ^2 )^1/2


=((2-(-4))^2+(-5-7)^2)^1/2


=(6^2+(-12)^2)^1/2


=(36+44)^1/2


=6(5^1/2)sq units