Question

One endpoint P and the midpoint M of the line segment PQ are given. Find the coordinates of the other endpoint, Q.
P(2, −2); M(2, 2)

Answer 1

You can solve this problem with our SAT app (facebook.com/calctech)

First thing to do is to find the slope.

Answer 2

cannot access facebook thanks for the insite

Answer 3

calc-tech.com works too.

Answer 4

The distance between the two points is 4

Answer 5

2,-2
-2,-2
------
0,-4
+2,-2
-----
2,-6...... maybe

Answer 6

the line is vertical no slope

Answer 7

http://www.wolframalpha.com/input/?i=slope+of+%282%2C-2%29+and+%282%2C2%29

Answer 8

There you can see a diagram of this situation.

Answer 9

(2,-2).......(2,2)....(2,6) is better

Answer 10

gonna have to see what i missed lol

Answer 11

Amistre- thanks for hte help, from your first post I was able to figure out where i was wrong also.. it was adding the negative to become positive..

Answer 12

Right and you can see that from the graph.

Answer 13

just look at the y-coordinates

Answer 14

cool ;)

Answer 15

Calctech, the sites you are providing a iCannot pull up from where they are freezing. I have written them down adn will check them out on another machine.. thanks

Answer 16

it's http://download.cnet.com/SAT-Operating-System-For-TI-83-And-TI-84/3000-20415_4-75448635.html?part=dl-&subj=dl&tag=button

Answer 17

at CNET you get a free trial. You use it during the SAT test to solve math equations. I mentioned it because it solves problems like these using line tools.

Answer 18

if i start with the midpoint intead of the end point i get......

2,2
-2,2
-----
0,4 then add the midpoint again i get
2,2
--------
2,6...thats what i did wrong...started with the wrong point lol