karimelanssaryy karimelanssaryy

16-10-2021
Mathematics

contestada

[Due TOMORROW] In the standard (w.y) coordinate plane, the point (3,-7)
is the midpoint of the line segment with endpoints
(9.-11) and:

Respuesta :

Anniegorsborne2017 Anniegorsborne2017

16-10-2021

(6,-9) it is 3 units away from both 3 and 9, and -9 is 2 units away from -7 and -11.

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mhanifa mhanifa

16-10-2021

Answer:

(- 3, -3)

Step-by-step explanation:

Use midpoint formula to find the coordinates of the other end point:

(9 + x)/2 = 3 ⇒ 9 + x = 6 ⇒ x = - 3
(-11 + y)/2 = -7 ⇒ -11 + y = -14 ⇒ y = - 3

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