Midpoint Finding Other Endpoint

Suppose a line segment starts at -4 and has a midpoint at 0. What is the value of the other endpoint?

• 2

• 5

• 4

• Not enough information

Suppose C is the midpoint of a segment BD. If B is at 1 and C is at 6, what is the coordinate of D?

• -2

• 3.5

• 11

• 2

If a segment has one endpoint at (-4, 5) and its midpoint is at (7, -9), what are the coordinates of its other endpoint?

• (18, -23)

• (13, 18)

• (11, 4)

• (1.5, -2)

Point M with coordinates (3, 4) is the midpoint of the line segment AB. A has the coordinates (-1, 6). What are the coordinates of B?

• (1, 5)

• (7, 2)

• (2, 10)

• (1, 2)

• (1, 1)
• (7, -6)
• (-6, 7)
• (3, 2)

Hint: Sketch a graph

• (1, 1)

• (7, -6)

• (-6, 7)

• (3, 2)

G is the midpoint of HK.  If G is located at (-2, 4) and H is located at (3, 5), find the coordinates of K.

• Not Enough Information

• (0.5, 4.5) 

• (-7, 3)

• (2.5, -0.5)

Find the other endpoint of the line segment with the given endpoint and midpoint. Endpoint: (9,8)   Midpoint (0,9)

• (-9, 10)

• (1.5, -1)

• (4.5, -0.5)

• (8.5, 4.5)

A race starts at coordinates ( -10, -6). There is a water stop halfway through the race at ( 7, 4). What are the coordinates of the finish line?

• (-27, -16)

• (24, 14)

• (-1.5, -1)

• (-8.5, -5)

Toni is located halfway between the Pizzeria and the Taco Shop.  Toni is at (-8, 10).  The Pizzeria is located at (-2, 8).  Where is the Taco Shop located?

• (-5, 9)

• (-3, 1)

• (-14, 12)

• (18, -12)