180k views
5 votes
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. ​

User Paulusm
by
7.7k points

1 Answer

4 votes

Answer:

(-2, -2)

Explanation:

Midpoint Formula:
((x_1+x_2)/(2) ,(y_1+y_2)/(2) )

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

User Insane
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories