Question

Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint. midpoint (-12,1), endpoint (-7, -1)

Answer 1

first subtract:

7 - (-12)

what do you get?

Answer 2

19

Answer 3

wait...that was wrog

Answer 4

first..multiply -12 by 2..what do you get?

Answer 5

-24

Answer 6

right. now subtract

-24 - (-7)

what do you get?

Answer 7

-17

Answer 8

right. so the x coordinate of the other endpoint is -17

Answer 9

now let's solve for the y-coordinat

multiply 1 by 2

Answer 10

2

Answer 11

right. now subtract

2 - (-1)

Answer 12

3

Answer 13

right.

so the y-coordinate is 3

Answer 14

so its (-17,3)?

Answer 15

yes!!

Answer 16

yay!!! thank you so much! can you help me with another one? :(

Answer 17

i have to go soon. sorry

Answer 18

ok its fine, thank you for helping me with that one :)

Answer 19

welcome