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This printable supports Common Core Mathematics Standard HSG.GPE.B.6

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# Calculating the Midpoint of Line Segments (Grade 9)

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## Calculating the Midpoint of Line Segments

1.
What is the midpoint of the line segment with endpoints (-4, 2) and (7, -9)?
1. $(3/2,-7/2)$
2. $(-11/2,-7/2)$
3. $(-4,-9)$
4. $(3,-7)$
2.
Line segment $bar (AB)$ has endpoints (-2, 5), (10, 17). What is the midpoint of the line segment $bar (AB)$?
1. (4, 11)
2. (5, 8.5)
3. (-1, 2.5)
4. (7.5, 9.5)
3.
Find the midpoint of the line segment with the endpoints (-5, 2) and (-1, -4).
1. (-6, -2)
2. (-3, -1)
3. (3, 1)
4. (1, 3)
4.
Line segment $bar (AB)$ has endpoints (6, 4), (7, 12). What is the midpoint of the line segment $bar (AB)$?
1. (3.5, 6)
2. (3, 2)
3. (13, 16)
4. (6.5, 8)
5.
Find the midpoint of the line segment with endpoints at (12, 7) and (-2, 11).
1. (11, 4)
2. (5, 9)
3. (9, 5)
4. (2, 6)
6.
What is the midpoint of the line segment with endpoints at (12, 7) and (18, 19)?
1. (30, 26)
2. (15, 13)
3. (-6, -12)
4. (3, 6)
7.
Line segment $bar (AB)$ has endpoints (-16, 3), (7, 14). What is the midpoint of the line segment $bar (AB)$?
1. (-8, 1.5)
2. (-4.5, 8.5)
3. (-6.5, 10.5)
4. (5.5, -4.5)
8.
What is the midpoint of the line segment with endpoints at (5, 9) and (11, 15)?
1. (8, 12)
2. (16, 24)
3. (6, 6)
4. (-6, -6)
9.
If a segment has one endpoint at (9, 8) and a midpoint at (0, 9), what are the coordinates of the other endpoint?
1. $(-9,10)$
2. $(1 1/2,-1)$
3. $(4 1/2,-1/2)$
4. $(8 1/2,4 1/2)$
10.
Find the coordinates of the midpoint of line segment AB with endpoints A(-5, 3) and B(4, 10).

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