Unit 2 Test A

If RS = 44 and QS = 68, find QR.

• 44

• 112

• 14

• 24

Let C be between D and E. Use the Segment Addition Postulate to solve for x. Draw & label first!!!

DC = 3x - 30

CE = 6x - 15    

DE = 27

• 12

• 8

• 3

• -5

 If EF = 2x – 12, FG = 3x – 15, and EG = 23, find the values of x, EF and FG.

      (drawing is not to scale)

Draw & label!!!

• x = 3, EF = 8, FG = 15

• x = 3, EF = -6, FG = -6

• x = 10, EF = 8, FG = 15

•  x = 10, EF = 32, FG = 45

In the diagram: AE = 20, Point D bisects CE, AB = DE, BC = CE.  If CD = 4, what is the length of AB?

Draw & label!!!

• 4

• 16

• 8

• 12

What is the midpoint between (5, -8) ad (2, 9)

• (3.5, 7.5)

• (3.5, 0.5)

• (4.5, 7.5)

• (4.5, 0.5)

A segment is graphed in the coordinate grid.  What are the coordinates of the

     midpoint of the segment AB shown in the graph?

• (2, 2)

• (.5, 2.5)

• (-1.5, 2.5)

• (2.5, -1.5)

On a map, a high school is located at (-6, 11) and a grocery store is located at (-8, -4). 

 What are the coordinates of Susan’s home if she lives exactly halfway between the high

  school and the grocery store?

• (-14, 7)

• (1, 7.5)

• (-7, 3.5)

• (4, -4)

Four stores are located along a straight segment on Main Street, labeled E, F, G and H as shown.   

    * F is the midpoint of segment EG

    * H is the midpoint of segment FG

A coordinate grid is superimposed on Main Street, so that E is located at (-4, 1) and G is located at (6, -3).  What are the coordinates of H?

• (1, -1)

• (2, -2)

• (-2.5, 0)

• (3.5, -2)

A line segment has one endpoint at (2, 5) and a midpoint at (4, 9). 

What are the coordinates of the other endpoint?

• (3, 7)

• (6, 13)

• (7, 3)

• (13, 6)

The midpoint of the line segment  PQ is located at M(-3, 8). 

If point P is located at (2, 4), what are the coordinates of point Q?

• (-8, 12)

• (7, 0)

• (-0.5, 6)

• (12, -8)