Question

medal + fan awaiting



What is the length of line segment A B if A is point one comma one and B is point nine comma seven?

The point A is plotted at one comma one and point B is plotted at nine comma seven on a coordinate plane. The points are connected with a diagonal line segment.

8
ten
twelve
fourteen

Answer 1

use the distance formula\[\sqrt{(x2-x1)^2+(y2-y1)^2 }\]

(x1,y1) =(1,1)
(x2,y2)=(9,7)

Answer 2

because i am practiced with geogebra