lmiranda5034
05.09.2020 •
Mathematics
Y is the midpoint of XZ. X has coordinates (3, 4), and Y has coordinates (–1, 9). Find the coordinates of Z.
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Ответ:
Step-by-step explanation:
Hey there!!
While finding the coordinates of any point, you remember to use formula first and then equate it.
So, let's begin to work accordingly.
Here, X (3,4) is a coordinate. And Y (-1,9) is a midpoint.
Let another endpoint of line be Z(x,y).
We have,
)
Now,
)
As they are equal, equating with their corresponding elements we get,
or, -2 = 3+x
Therefore, x= -5.
Now, again;
Equating with their corresponding elements we get,
or, 18 = 4+y
Therefore, y = 14.
Therefore, the coordinates of Z are (-5,14).
Hope it helps...
Ответ:
I think 55%
Step-by-step explanation: