Question

find the coordinates of the other endpoint of the segment, given it's midpoint and one endpoint. midpoint (-1, 8), endpoint (8,17)

Answer 1

Explanation:

(x,y)-----(-20,-4)-----(-17,-5)

to go from -17 to -20 you subtract 3

to go from -20 to x you subtract 3 again to get -20-3=-23

to go from -5 to -4 you add 1

to go from -4 to y you add 1 again to get -4+1=-3

(-23,-3) (the midpoint is equidistant from both endpoints)