Question

1. M is the midpoint of CS. if M has coordinates (3,-15) and C has coordinate (-7,2), find the coordinates of S?

2. if (4,3) is the endpoint of a segment and (-1,1) is it's midpoint. find the coordinates of the other endpoint.​

Answer 1

Answer:

(x

1

,y

1

)=(2,3) and (x

2

,y

2

)=(4,7)

by midpoint formula, coordinates of mid point =(

2

x

1

+x

2

,

2

y

1

+y

2

)

=(

2

2+4

,

2

3+7

)=(

2

6

,

2

10

)=(3,5).

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Answer 2

refer to the attachment for 1.