Question

Find the coordinates of the other endpoint when you are given the midpoint and one of the endpoints. Answer in terms of a decimal rounded to the nearest tenth or an improper fraction in simplest form.

P1 M P2
(3, 5) (-2, 0) ( , )
helpppp

Answer 1

-2=(x-3)/2
0=(y-5)/2

This?

Answer 2

please show me step by step :/ idk how to do this

Answer 3

well midpoint=(xf-xi)/2

Answer 4

Plug and solve for unknown

Answer 5

@timo , isn't it supposed to be -2=(x+3)/2 ?

Answer 6

hmm
i'll check

Answer 7

but idk how to solve that -2=(x+3)/2 i need help..

Answer 8

ah yes it is plus

Answer 9

midpoint is (averate of the xs, average of the ys)

Answer 10

just multipy by 2 first and subtract 3

Answer 11

so it would b 3?

Answer 12

i get -7 for x

Answer 13

how??

Answer 14

-2=(x+3)/2

multiply by 2 both sides

-4=x+3

subtract by 3 both sides

-7=x

:)

Answer 15

ohhhhhhhhhhhhhhhhhhhhhhh

Answer 16

duh -.- THANKS!

Answer 17

for Y it is the same way
0=(y+5)/2

0=y+5

-5=y :)

Answer 18

LOL :) Who are you and what did you do with seashell :P?

Answer 19

hahhaaha...

Answer 20

blonde lazy morning -.-

Answer 21

but woudnt you multiply the zero by 2?

Answer 22

Yes and it will make it 0

Answer 23

Id slap myself

Answer 24

::P No way I seen you here before :) maybe you do your better work at night :)

Answer 25

-.- lol