Question

Which of the following expressions gives the distance between the points (-3,4) and (6,-2)?
A) (-3-4)^2 +(6+2)^2
B) sqrt (-3-4)^2 + (6+2)^2
C) (-3-6)^2 +(4+2)^2
D) sqrt (-3-6)^2 +(4+2)^2

Answer 1

use pythagorean theorem
length = square root of { (6--3)^2 + (4-2)^2 }