1. Geometry Ch 12 Review Jeopardy
Name the transformation
Know the
Rules!
Definitions
Transform it!
Potpourri
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Final Jeopardy

2. $200 Question Definitions
Definition of Translation

3. $200 Answer Definitions
A transformation where all points are moved the same distance in the same direction; a glide or slide of a figure that doesn’t change the shape, size, or orientation.

4. $400 Question Definitions
Define Isometry

5. A transformation that does not change the size or shape of a figure
$400 Answer Definitions
A transformation that does not change the size or shape of a figure

6. $600 Question Definitions
Define Image

7. The figure that is transformed. The new figure.
$600 Answer Definitions
The figure that is transformed. The new figure.

8. $800 Question Definitions
What is the definition of Glide reflection?

9. A composite transformation of translation and reflection
$800 Answer Definitions
A composite transformation of translation and reflection

10. $1000 Question Definitions
What is the definition the order of rotation?

11. $1000 Answer Definitions
The number of times the figure coincides with itself as it rotates through 360o

12. $200 Question Name the Transformation

13. $200 Answer Name the Transformation
Rotation

14. $400 Question Name the Transformation

15. $400 Answer Name the Transformation
Translation

16. $600 Question Name the Transformation

17. $600 Answer Name the Transformation
Dilation

18. $800 Question Name the Transformation

19. $800 Answer Name the Transformation
Reflection

20. $1000 Question Name the Transformation

21. $1000 Answer Name the Transformation
Glide Reflection

22. $200 Question Transform It!
Point A is at (4, -5).
Find A’ after a translation
along the vector <-6, 4>.

23. $200 Answer Transform It!
(-2, -1)

24. $400 Question Transform It!
Point A is at (-7, 1).
Find A’ after a reflection across the line y = x.

25. $400 Answer Transform It!
(1, -7)

26. $600 Question Transform It!
Point A is at (8, -2).
Find A’ after a rotation by 90° counterclockwise
about the origin.

27. $600 Answer Transform It!
(2, 8)

28. $800 Question Transform It!
Point A is at (3, -6).
Find A’ after a dilation of -1/3 about the origin.

29. $800 Answer Transform It!
(-1, 2)

30. $1000 Question Transform It!
Point A is at (3, -6).
Find A’ after a reflection over the line y = -x and then a translation along the vector <-4, -4>.

31. $1000 Answer Transform It!
(2, -7)

32. $200 Question Know the Rules!
The rule for this transformation is
(x, y) → (-x, y)

33. Reflection over y-axis
$200 Answer Know the Rules!
Reflection over y-axis

34. $400 Question Know the Rules!
The rule for this transformation is
(x, y) → (y, -x)

35. $400 Answer Know the Rules!
90° clockwise rotation OR 270° counterclockwise rotation about the origin

36. $600 Question Know the Rules!
The rule for this transformation is
(x, y) → (y, x)

37. $600 Answer Know the Rules!
Reflection over y = x

38. $800 Question Know the Rules!
Write the rule you would use to find the image coordinates of (x, y) under a translation of 2 units right and 1 unit down.

39. The rule for this transformation is
$800 Answer Know the Rules!
The rule for this transformation is
(x, y) → (x + 2, y – 1)

40. $1000 Question Know the Rules!
Write the rule you would use to find the image coordinates of (x, y) under a dilation with
scale factor = -1 followed by 180° rotation about the origin.

41. The rule for this transformation is
$1000 Answer Know the Rules!
The rule for this transformation is
(x, y) → (x, y)

42. Does the figure have line symmetry? If so, draw all lines of symmetry.
$200 Question Potpourri
Does the figure have line symmetry? If so, draw all lines of symmetry.

43. $200 Answer Potpourri
Yes, 2 lines of symmetry.

44. $400 Question Potpourri
Does the figure have rotational symmetry? If so, give the angle of rotational symmetry and the order of symmetry.

45. $400 Answer Potpourri
Yes,
Angle of rotation = 72°,
Order = 5

46. $600 Question Potpourri
A translation can be interpreted as successive reflections across two lines. Tell what relationship the lines must have for this to be true.

47. $600 Answer Potpourri
They must be parallel

48. (2, -4). What is the translation vector?
$800 Question Potpourri
The pre-image is
(10, -8), the image is
(2, -4). What is the translation vector?

49. $800 Answer Potpourri
<-8, 4>

50. $1000 Question Potpourri
What is the scale factor of a dilation centered at the origin that maps A(5, -6) to
A’(-15.5, 18.6)?

51. $1000 Answer Potpourri
k = -3.1

52. Final Jeopardy
A hiker walks 2 miles east and then 1 mile north, then hikes 4 miles east and sets up camp. What vector describes their hike from their starting position to their camp?

53. <6, 1>