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01-07-2020
Mathematics

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Find the coordinates of B if A has coordinates (3, 5) and Y(–2, 3) is the midpoint of AB

Respuesta :

01-07-2020

Answer:

B (-7, 1)

Step-by-step explanation:

All we have to do is set up equations to find coordinate b from midpoint formula.

x-coordinate:

-2 = [tex]\frac{3+x}{2}[/tex]

-4 = 3 + x

x = -7

y-coordinate:

3 = [tex]\frac{5+y}{2}[/tex]

6 = 5 + y

y = 1

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