galaxyslimeninja galaxyslimeninja

02-04-2021
Mathematics

contestada

Find the coordinates of the other endpoint of a segment with an endpoint of (-1,5)
and a midpoint of (2,-3).
A) (5,-1)
B) (5, -11)
C) (6, -1)
D) (6, -11)

Respuesta :

angiealfayed angiealfayed

02-04-2021

it’s B

Midpoint = (X1+X2/2 , Y1+Y2/2 )

(2,-3) = X1+(-1)/2 , Y1+5/2

break up the equations into two parts

2=X1+(-1)/2

X1= 5

-3= y1+5/2

Y1= -11

so (5,-11)

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