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# Midpoints! lol watch

1. Just want someone to confirm i've done this correctly!

There is a diagonal line with points A and C at each end. B is the midpoint of this line.
A has coordinates (1,7)
B has coordinates (8,2)
C has coordinates (p,q)

Find value of p and q.

I got the answer to be (15, -3)

(i used the formula)
2. Yup that's right.
3. double confirming :P its right!!!
4. (Original post by Lawbutwhere?)
Just want someone to confirm i've done this correctly!

There is a diagonal line with points A and C at each end. B is the midpoint of this line.
A has coordinates (1,7)
B has coordinates (8,2)
C has coordinates (p,q)

Find value of p and q.

I got the answer to be (15, -3)

(i used the formula)
Once you've got the co ordinates of point C, you could put A and C back into the formula and see if your answer is point B...I think thats a good method to double check it.

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Updated: April 9, 2006
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