Question

What is the midpoint of (–4, 4) and (2, –4)?

I know its (-1,0) but how do i find that as the answer ?

Answer 1

((-4-2)/2,(4-(-4))/2)

Answer 2

were did those numbers come from ? how do you know whhich numbers to use in the specific order ?

Answer 3

the mid point of \[(x _{1},y _{1})\] and \[(x _{2},y _{2})\] is \[(x _{1}-x _{2}/2 , y _{1}-y _{2}/2)\]

Answer 4

He is using the mid point formula.
Here is a good link on it
http://www.purplemath.com/modules/midpoint.htm

Remember it because you will need it in the future.

Answer 5

oohhhhh okkk. Thankss Very Much ! (: