Geometry Chapter 9 Test Part I

20 Questions  I  By Pchao29
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Geometry Chapter 9 Test Part I
20 Multiple Choice Questions. Time Limit: One Hour

  
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Questions and Answers

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1. 
The same hemisphere of the moon always faces Earth.  Thus, the motion of the moon about Earth for a given time interval can be modeled by a rotation.  The center of the rotation is the center of the Earth.  The angle of rotation is determined by the time interval, given that one journey of the moon around Earth takes about 27 1/3 days.In how many days does the moon complete a 90º angle of rotation?
A.
B.
C.
D.
2.  What is the smallest angle through which you can rotate a regular hexagon onto itself?
A.
B.
C.
D.
3.  What rule describes the translation 4 units up and 12 units left?
A.
B.
C.
D.
4.  Name the image of X for a 240º counterclockwise rotation about the center of the regular hexagon.
A.
B.
C.
D.
5.  Which figure, in general, has exactly two lines of symmetry?
A.
B.
C.
D.
6.  What is the reflection image of (5,-3) across the y-axis?
A.
B.
C.
D.
7.  Which quadrilateral has rotational symmetry but not reflectional symmetry?
A.
B.
C.
D.
8.   Find the image of P(11,-5) for the translation (x,y) → (x – 12, y – 6) followed by a reflection in x = 0.
A.
B.
C.
D.
9. 
Which figure does NOT have rotational symmetry?
A.
B.
C.
D.
10. 
The same hemisphere of the moon always faces Earth.  Thus, the motion of the moon about Earth for a given time interval can be modeled by a rotation.  The center of the rotation is the center of the Earth.  The angle of rotation is determined by the time interval, given that one journey of the moon around Earth takes about 27 1/3 days.What rotation is modeled by the motion of the moon?
A.
B.
C.
D.
11.  The preimage of a reflection lies in Quadrant II and the image is in Quadrant III.  Which line could be the line of reflection?
A.
B.
C.
D.
12.  What is the reflection image of (5, -3) across the line y = -x?
A.
B.
C.
D.
13. 
Which is NOT a symmetry for the tessellation?
A.
B.
C.
D.
14.  The point (5,-9) is the image under the translation (x,y) → (x + 3,y + 2).  What is the preimage?
A.
B.
C.
D.
15.  ΔXYZ has vertices X(-5,2), Y(0,-4), and Z(3,3).  What are the vertices of the image of ΔXYZ under the translation (x,y) → (x + 7, y - 5)?
A.
B.
C.
D.
16.  A reflection in the y-axis followed by a reflection in the x-axis does NOT give the same result as which of the following transformations?
A.
B.
C.
D.
17.  You can tessellate a plane using a regular octagon together with which other type of regular polygon?
A.
B.
C.
D.
18. 
 Which figure will NOT tessellate a plane?
A.
B.
C.
D.
19.  What is the reflection image of (a,b) across the line y = -6?
A.
B.
C.
D.
20.  What is the image of (1,-6) for a 90º counterclockwise rotation about the origin?
A.
B.
C.
D.
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