Identify the two endpoints: ( (x_1, y_1) ) and ( (x_2, y_2) )
Use the midpoint formula:
( text{Midpoint} = left(dfrac{x_1 + x_2}{2}, dfrac{y_1 + y_2}{2}right) )
If the endpoints are in 3D: ( (x_1, y_1, z_1) ) and ( (x_2, y_2, z_2) )
( text{Midpoint} = left(dfrac{x_1 + x_2}{2}, dfrac{y_1 + y_2}{2}, dfrac{z_1 + z_2}{2}right) )
If the endpoints are on a number line: ( x_1 ) and ( x_2 )
( text{Midpoint} = dfrac{x_1 + x_2}{2} )
For a horizontal segment where ( y_1 = y_2 )
Midpoint ( x )-value is ( dfrac{x_1 + x_2}{2} ), and midpoint ( y )-value is ( y_1 )
For a vertical segment where ( x_1 = x_2 )
Midpoint ( x )-value is ( x_1 ), and midpoint ( y )-value is ( dfrac{y_1 + y_2}{2} )