hilton894
21.10.2020 •
Mathematics
The coordinates of point Y are giving. The midpoint XY is (3,-5). Find the coordinates of point X. Y (4, -8)
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Ответ:
Suppose the midpoint of XY is M ;
So ;
Multiply sides by 2
( x , y ) + ( 4 , - 8 ) = ( 2 × 3 , 2 × -5 )
( x , y ) + ( 4 , - 8 ) = ( 6 , -10 )
( x , y ) = ( 6 , -10 ) - ( 4 , - 8 )
( x , y ) = ( 6 - 4 , -10 + 8 )
( x , y ) = ( 2 , - 2 )
So the coordinates of the point X is :
X = ( 2 , - 2 )
And we're done.....
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Ответ:
Step-by-step explanation:
I hope it is the right answer.