1.6
Distance Formula
B(x2,y2)
A(x1,y1)
AB = (x2 - x1)2 + (y2 - y1)2
Ex. Find the lengths of the segments. Tell whether any have
the same length. E(-3,3), F(1,2), G(-3,0), H(0,-1).
E
F
G
H
E(-3,3), F(1,2), G(-3,0), H(0,-1)
Find the midpoint of AB
A
B
M
185
25
Midpoint Formula for 2 points on a coordinate plane:
M=
(
x1 + x2
y1 + y2
2
2
(
Find the coordinates of the midpoint of PQ with P(-8,3) and
Q(-2,7).
M is the midpoint of XY. X (2, 7) and M(6,1). Find Y.