# SSAT Upper Level Math : How to find the midpoint of a line segment

## Example Questions

### Example Question #1 : How To Find The Midpoint Of A Line Segment

A line segment on the coordinate plane has endpoints and . In terms of and , as applicable, give the -coordinate of its midpoint.      Explanation:

The -coordinate of the midpoint of a line segment is the mean of the -coordinates of its endpoints. Therefore, the -coordinate is .

### Example Question #2 : Midpoint Formula

A line segment on the coordinate plane has endpoints and . In terms of and , as applicable, give the -coordinate of its midpoint.      Explanation:

The -coordinate of the midpoint of a line segment is the mean of the -coordinates of its endpoints. Therefore, the -coordinate is .

### Example Question #3 : Midpoint Formula

A line segment has the endpoints and . What is the midpoint of the line?     Explanation:

To find the midpoint of a line, take the averages of the x-coordinates and the average of the y-coordinates. ### Example Question #4 : Midpoint Formula

What is the midpoint of a line segment with endpoints and ?     Explanation:

To find the midpoint of a line, just take the average of the -coordinates and the average of the -coordinates. ### Example Question #5 : Midpoint Formula

What is the midpoint of a line segments with endpoints and ?     Explanation:

To find the midpoint of a line segment, take the average of the -coordinates, then take the average of the -coordinates.  ### Example Question #6 : Midpoint Formula

A line has the endpoints . What is its midpoint?     Explanation:

The coordinates of the midpoint of a line are just the averages of the coordinates of the endpoints. ### Example Question #7 : Midpoint Formula

A line segment has endpoints . What is the midpoint of this line segment?     Explanation:

To find the coordinates of the midpoint of a line, take the averages of the x and y coordinates of the endpoints. ### Example Question #8 : Midpoint Formula

What is the midpoint of a line if the endpoints of the line are: ?      Explanation:

Write the midpoint formula. Substitute the values.  