Question

Given the coordinate of one endpoint of AB and it’s midpoint M, find the coordinates of the other endpoint. A(0,9) M(2,5)

Answer 1

Answer:

The coordinates of other point (x, y) are (4,1).

i.e.  (x, y) → (4,1)

Step-by-step explanation:

Let AB be the segment where

• The coordinate A(0, 9)
• M(2, 5)

and we have to find the point B.

Let us assume the other point is (x, y)

As we know that

• The midpoint is halfway between the two end points, meaning midpoint coordinates are basically termed as the average of the corresponding endpoint coordinates.  

So,

Determining x-coordinate of (x, y)

$\frac{x+0}{2} =2$

$x=4$

Determining y-coordinate of (x, y)

$\frac{y+9}{2} =5$

$y+9 =10$

$y=1$

Hence, the coordinates of other point (x, y) are (4,1).

i.e.  (x, y) → (4,1)

Keywords: midpoint, segment, endpoint, coordinates

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