Question

How do i find the distance between these points?
(2,2,-9) and (-1,6,0)

Answer 1

I understand how to find the distance when there is only (x,y) but when its (x,y,z) im lost.

Answer 2

use the same formula Just add (z2-z1)^2 with them

Answer 3

Getting it ?

Answer 4

Can you show me the equation with that added?

Answer 5

Check it out

Answer 6

\[\sqrt{(-1-2)^2+(6-2)^2+(0+9)^2}\]
\[\sqrt{(-3)^2+(4)^2+(9)^2}\]
\[\sqrt{9+16+81}\]
\[\sqrt{106}\]

Answer 7

How come you add the last one? and subtract all the others?