Chapter 7 Test
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Chapter 7 Test Geometry Transformations
- 1.
![What type of transformation is shown?]( "What type of transformation is shown?")
What type of transformation is shown?- A.
Rotation
- B.
Translation
- C.
Reflection
- D.
Dilation
- 2.Which type of transformation is NOT a rigid transformation?
- A.
Rotation
- B.
Translation
- C.
Reflection
- D.
Dilation
- 3.Which combination of transformations would result in the same image as a reflection about the y-axis?
- A.
Reflect over y-axis, rotate 180 degrees
- B.
Reflect over x-axis, rotate 90 degrees
- C.
Rotate 180 degrees, reflect over x-axis
- D.
Rotate 90 degrees, reflect over y-axis
- 4.
![Which of these images cannot be achieved using a single rigid transformation?ABCD]( "Which of these images cannot be achieved using a single rigid transformation?ABCD")
Which of these images cannot be achieved using a single rigid transformation?ABCD- A.
A
- B.
B
- C.
C
- D.
D
- E.
E (don't pick this... there is no E)
- 5.
![Reflect this preimage about the line y=x.Which of these is the resulting image?ABCD]( "Reflect this preimage about the line y=x.Which of these is the resulting image?ABCD")
Reflect this preimage about the line y=x.Which of these is the resulting image?ABCD- A.
A
- B.
B
- C.
C
- D.
D
- 6.
![What is the component form of this vector.]( "What is the component form of this vector.")
What is the component form of this vector.- A.
- B.
- C.
- D.
- E.
-2/5 (don't pick this one, this is slope)
- 7.What are the coordinates of the image after point (10,2010) is translated by the vector <2,-1>?
- A.
(2020,1)
- B.
(12,2009)
- C.
(12,2011)
- D.
(-2000,1)
- 8.The point J at (12,18) is translated by (x,y) --> (x-10, y-20). Then, the resulting point J' is reflected over the x-axis. What are the coordinates of J''?
- A.
(2,2)
- B.
(2,-2)
- C.
(-2,2)
- D.
(-2,-2)
- 9.The point T at (-1,4) is rotated 90o counterclockwise, then translated by <-2,-3>and finally reflected over the line y=x. What are the coordinates of T'''?
- A.
(-4,-6)
- B.
(4,-2)
- C.
(-2,2)
- D.
(-2,-6)
- 10.The point (6,3) is reflected over the y-axis. What are the coordinates of the image?
- A.
(3,6)
- B.
(-3,-6)
- C.
(-6,3)
- D.
(6,-3)
- 11.The point (6,3) is reflected over the line y=-x. What are the coordinates of the image?
- A.
(3,6)
- B.
(-3,-6)
- C.
(-6,3)
- D.
(6,-3)
- 12.What is the length of the segment connecting points A (-2,-1) and B (2,-4)?In other words, what is the measure of segment AB?Or, in still other words, what is distance between points A and B?These are all the same question. What is the correct answer?
- A.
(-3,-2)
- B.
(0,-2.5)
- C.
-3/4
- D.
5
- 13.Point Z (3,-4) is rotated 90o clockwise. What are the coordinate of the image, Z'?
- A.
(-4,-3)
- B.
(-3,-4)
- C.
(4,3)
- D.
(3,4)
- 14.Point H (-2,-9) is rotated 90 degrees clockwise about the origin.Now, what are the coordinate of the image, H'?
- A.
(-9,-2)
- B.
(-9,2)
- C.
(9,-2)
- D.
(2,9)
- E.
Cannot tell because it does not say if it is rotated clockwise or counterclockwise
- 15.Which of these is NOT the same as a 180 degree rotation?
- A.
Reflect over the x-axis, then reflect over the y-axis
- B.
Reflect over the line y=x, then reflect over the line y=-x
- C.
Rotate 270 degrees clockwise, then rotate 270 degrees clockwise
- D.
Rotate 540 degrees clockwise, then rotate 270 degrees counterclockwise
- 16.How many lines of symmetry does a square have?
- A.
1
- B.
2
- C.
3
- D.
4
- E.
It depends on the size of the square
- 17.Which of these is NOT a possible number of lines of symmetry for a hexagon?
- A.
4
- B.
3
- C.
2
- D.
1
- E.
0
- 18.
![Does this figure have rotational symmetry? If so, state the number of degrees needed to map it onto itself.]( "Does this figure have rotational symmetry? If so, state the number of degrees needed to map it onto itself.")
Does this figure have rotational symmetry? If so, state the number of degrees needed to map it onto itself.- A.
No
- B.
45
- C.
90
- D.
180
- 19.
![What is the rotational symmetry of this wheel?State the number of degrees needed to map it onto itself.]( "What is the rotational symmetry of this wheel?State the number of degrees needed to map it onto itself.")
What is the rotational symmetry of this wheel?State the number of degrees needed to map it onto itself.- A.
36
- B.
72
- C.
90
- D.
180
- E.
360
- 20.
![Reflect this point over the line y=1.What are the coordinates of the image?]( "Reflect this point over the line y=1.What are the coordinates of the image?")
Reflect this point over the line y=1.What are the coordinates of the image?- A.
(0,-1)
- B.
(-1,2)
- C.
(-2,-1)
- D.
(2,3)
- 21.If the image of a point A' is (3,4) following a translation of <0,7>, then what must have been the location of the pre-image point A?
- A.
(0,3)
- B.
(0,11)
- C.
(3,-3)
- D.
(3,11)
- 22.
![What is the area of this shape? (hint, use the formula sheet)]( "What is the area of this shape? (hint, use the formula sheet)")
What is the area of this shape? (hint, use the formula sheet)- A.
54 square units
- B.
108 square units
- C.
810 square units
- D.
1620 square units
- 23.Find the slope of a line passing through the following points:( -3, -1) and (-9, 2)
- A.
-2
- B.
-1/2
- C.
1/2
- D.
2
- E.
Uh, oh. I got none of these.
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