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08-09-2020
Mathematics

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The midpoint of AB is M=(3, 1). One endpoint is A=(-1, -1).
Find the coordinates of the other endpoint, B.

Respuesta :

mhanifa mhanifa

09-09-2020

Answer:

(7, 3)

Step-by-step explanation:

Given segment AB, where:

A = (-1, -1)

Mid point

M = (3, 1)

Point B = (x, y)

As per mid point formula:

(-1+x)/2 = 3 ⇒ -1 + x = 6 ⇒ x = 6+ 1 = 7
(-1 + y)/2 = 1 ⇒ -1 + y = 2 ⇒ y = 2 + 1 = 3

So, the point B is:

B = (7, 3)

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