How to find the endpoints of a line segment - GRE Quantitative Reasoning
Card 0 of 4
There is a line defined by two end-points, 
and 
. The midpoint between these two points is 
. What is the value of the point 
?
There is a line defined by two end-points,
Recall that to find the midpoint of two points 
and 
, you use the equation:
.
(It is just like finding the average of the two points, really.)
So, for our equation, we know the following:
You merely need to solve each coordinate for its respective value.
Then, for the y-coordinate:
Therefore, our other point is: 
Recall that to find the midpoint of two points
(It is just like finding the average of the two points, really.)
So, for our equation, we know the following:
You merely need to solve each coordinate for its respective value.
Then, for the y-coordinate:
Therefore, our other point is:
Compare your answer with the correct one above
There is a line defined by two end-points, 
and 
. The midpoint between these two points is 
. What is the value of the point 
?
There is a line defined by two end-points,
Recall that to find the midpoint of two points 
and 
, you use the equation:
.
(It is just like finding the average of the two points, really.)
So, for our equation, we know the following:
You merely need to solve each coordinate for its respective value.
Then, for the y-coordinate:
Therefore, our other point is: 
Recall that to find the midpoint of two points
(It is just like finding the average of the two points, really.)
So, for our equation, we know the following:
You merely need to solve each coordinate for its respective value.
Then, for the y-coordinate:
Therefore, our other point is:
Compare your answer with the correct one above
What is the other endpoint of a line segment with one point that is 
and a midpoint of 
?
What is the other endpoint of a line segment with one point that is
Recall that the midpoint formula is like finding the average of the 
and 
values for two points. For two points 
and 
, it is:
For our points, we are looking for 
. We know:
We can solve for each of these coordinates separately:
X-Coordinate
Y-Coordinate:
Therefore, our point is 
Recall that the midpoint formula is like finding the average of the
For our points, we are looking for
We can solve for each of these coordinates separately:
X-Coordinate
Y-Coordinate:
Therefore, our point is
Compare your answer with the correct one above
What is the other endpoint of a line segment with one point that is 
and a midpoint of 
?
What is the other endpoint of a line segment with one point that is
What is the other endpoint of a line segment with one point that is 
and a midpoint of 
?
Recall that the midpoint formula is like finding the average of the 
and 
values for two points. For two points 
and 
, it is:
For our points, we are looking for 
. We know:
We can solve for each of these coordinates separately:
X-Coordinate
Y-Coordinate:
Therefore, our point is 
What is the other endpoint of a line segment with one point that is
Recall that the midpoint formula is like finding the average of the
For our points, we are looking for
We can solve for each of these coordinates separately:
X-Coordinate
Y-Coordinate:
Therefore, our point is
Compare your answer with the correct one above