brandonjhunt55 brandonjhunt55

17-09-2020
Mathematics

contestada

The midpoint of AB is M(-6, -1). If the coordinates of A are (-5,3), what
the coordinates of B?
are

Respuesta :

unicorn3125 unicorn3125

19-09-2020

Answer:

B(-7, -5)

Step-by-step explanation:

M(-6, -1) being the midpoint of AB means that [tex]x_M-x_A=x_B-x_M[/tex]

[tex]-6-(-5)=x_B-(-6)\\\\-6+5-6=x_B\\\\x_B=-7[/tex]

and [tex]y_M-y_A=y_B-y_M[/tex]

[tex]-1-3=y_B-(-1)\\\\-4=y_B+1\\\\y_B=-5[/tex]

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