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P(8,4) is one endpoint of PQ. M(3, 1) is the midpoint of PQ. Determine the coordinates of endpoint Q.
(3 marks)

please write all the steps, summer school is rlly bad I need help. ​

Respuesta :

Space

Answer:

(-2, -2)

Step-by-step explanation:

Midpoint Formula: [tex](\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )[/tex]

Simply plug in our known variables and set equation equal:

3 = (8 + x)/2

6 = 8 + x

x = -2

1 = (4 + y)/2

2 = 4 + y

y = -2

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