jaylynnsykes13 jaylynnsykes13

06-12-2021
Mathematics

contestada

30 points.

the midpoint of AB is (4,8) and the coordinates of point A are (-6,4) what are the coordinates of point B?

Respuesta :

sqdancefan sqdancefan

06-12-2021

Answer:

B = (14, 12)

Step-by-step explanation:

As you know, the midpoint is the average of the end point coordinates:

M = (A +B)/2

Solving for B gives ...

2M = A + B

B = 2M -A

B = 2(4, 8) -(-6, 4) = (8+6, 16 -4)

B = (14, 12)

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