Which answer shows a reflection across the y-axis?
a
b
c
d
2. Multiple Choice
3 minutes
1 pt
.
A
B
C
D
3. Multiple Choice
1 minute
1 pt
Reflections over the x-axis change the ____-__________.
y-coordinate
x-coordinate
y-axis
x-axis
4. Multiple Choice
1 minute
1 pt
Reflecting over the y-axis changes the ____-_____________.
x-axis
x-coordinate
y-coordinate
none of the above
5. Multiple Choice
5 minutes
1 pt
Where will A' be at, if triangle ABC is reflected by (x,y) --> (-x,y)?
(2,1)
(1,-2)
(-1,2)
6. Multiple Choice
15 minutes
1 pt
Is the picture being reflected in the y-axis or x-axis?
y-axis
x-axis
7. Multiple Choice
20 seconds
1 pt
Flipping a figures is a ...
Rotation
Reflection
8. Multiple Choice
20 seconds
1 pt
Tell whether the shaded figure is a reflection of the nonshaded figure.
Yes
No
9. Multiple Choice
30 seconds
1 pt
The following is a ...
Translation
Dilation
Rotation
Reflection
10. Multiple Choice
5 minutes
1 pt
Find K'.
(4, 1))
(-1, -4)
(1, -4)
(1, 4)
11. Multiple Choice
2 minutes
1 pt
∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?
S'(3, 7)
S'(-3, 7)
S'(-3, -7)
S'(3, 7)
12. Multiple Choice
20 seconds
1 pt
Turning a figure is a ...
Translation
Reflection
Dilation
Rotation
13. Multiple Choice
2 minutes
1 pt
The image A'B'C' is a rotation of ABC.
True
False
14. Multiple Choice
5 minutes
1 pt
What is the angle of rotation for this counterclockwise rotation about the origin?
90°
180°
270°
360°
15. Multiple Choice
5 minutes
1 pt
If you were to rotate ABCD 180° about the origin, what would the coordinates of B' be?
(0, 0)
(-6, -5)
(-1, 3)
(-6, 2)
16. Multiple Choice
5 minutes
1 pt
What are the coordinates of R' if R is rotated 180° counterclockwise about the origin, and R is the point (-1, -5)?
(1, 5)
(1, -5)
(-1, 5)
(5, 1)
17. Multiple Choice
5 minutes
1 pt
If you were to rotate ABCD 270° counterclockwise about the origin, what would the coordinate of C' be?
(1, 6)
(-6, -2)
(3, 3)
(-2, 3)
18. Multiple Choice
5 minutes
1 pt
Identify the transformation from ABCD to A'B'C'D'.
Translation
Reflection across the x-axis
Reflection across the y-axis
90o counter clockwise rotation
19. Multiple Choice
5 minutes
1 pt
Identify the transformation from A to D.
90o Clockwise Rotation
180o Rotation
270o Clockwise Rotation
360o Rotation
20. Multiple Choice
5 minutes
1 pt
Identify the transformation from C to C.
90o Clockwise Rotation
180o Rotation
270o Clockwise Rotation
360o Rotation
21. Multiple Choice
5 minutes
1 pt
Identify the transformation from C to D.
90o Counter Clockwise Rotation
180o Rotation
270o Counter clockwise Rotation
360o Rotation
22. Multiple Choice
5 minutes
1 pt
Identify the transformation from B to A.
90o Counter Clockwise Rotation
180o Rotation
270o Counter clockwise Rotation
360o Rotation
23. Multiple Choice
5 minutes
1 pt
Given C(2, 9), under which reflection is C'(-2, 9)?
reflected in the x-axis
reflected in the y-axis
reflected in the line x = 2
reflected in the line y = x
24. Multiple Choice
5 minutes
1 pt
Triangle C is rotated 180° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
(x,y)→(y, -x)
(x,y)→(-x,-y)
(x,y)→(x,y)
(x,y)→(-y,x)
25. Multiple Choice
30 seconds
1 pt
Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
(x,y)→(y, -x)
(x,y)→(-x,-y)
(x,y)→(-y,x)
(x,y)→(x,y)
26. Multiple Choice
30 seconds
1 pt
Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
(x,y)→(y, -x)
(x,y)→(x,y)
(x,y)→(-y,x)
(x,y)→(-x,-y)
27. Multiple Choice
30 seconds
1 pt
Triangle C is rotated 180° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
(x,y)→(y, -x)
(x,y)→(-x,-y)
(x,y)→(x,y)
(x,y)→(-y,x)
28. Multiple Choice
30 seconds
1 pt
Triangle D is rotated 360° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
(x,y)→(-y,x)
(x,y)→(-x,-y)
(x,y)→(y, -x)
(x,y)→(x,y)
29. Multiple Choice
2 minutes
1 pt
How many degrees was the figure rotated?
90 degrees counterclockwise
180 degrees
270 degrees counterc
30. Multiple Choice
2 minutes
1 pt
How many degrees was the figure rotated?
90 degrees counterclockwise
180 degrees
270 counterclockwise
31. Multiple Choice
5 minutes
1 pt
If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?
(-5, 5)
(-3, 5)
(-5, 3)
(-3, 3)
32. Multiple Choice
1 minute
1 pt
The new figure created from a transformation is...
Congruent
Preimage
Image
Angle
33. Multiple Choice
1 minute
1 pt
What is a transformation that turns a figure about a fixed point for a given angle?
Point of Rotation
Vertex
Rotations
Image
34. Multiple Choice
1 minute
1 pt
The definition of a preimage is...
The mapping, or movement, of all the points of a figure in a plane according to a common operation.
The space between two intersecting lines or surfaces at or close to a point where they meet.
The original figure in a transformation.
Identical in size, shape and measure.
35. Multiple Choice
30 seconds
1 pt
What is this picture an example of?
An angle
A cat vertex
Rotation
Transformation
36. Multiple Choice
1 minute
1 pt
Rotate the point (-3,-4) around the origin 180 degrees. State the image of the point.
(-4, -3)
(-4, 3)
(4, -3)
(3, 4)
37. Multiple Choice
1 minute
1 pt
Rotate the point (-9,1) around the origin -90 degrees. State the image of the point.
(1, 9)
(9, -1)
(-1, -9)
(-1, 9)
38. Multiple Choice
1 minute
1 pt
Rotate the point (5,5) around the origin 180 degrees. State the image of the point.
(5, -5)
(5, 5)
(-5, 5)
(-5, -5)
39. Multiple Choice
1 minute
1 pt
Rotate the point (-2,-4) around the origin 270 degrees. State the image of the point.
(-4, 2)
(4, -2)
(2, 4)
(-2, 4)
40. Multiple Choice
1 minute
1 pt
State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor k = 2.
(2, 4.5)
(-8, -18)
(8, 18)
(9, 4)
41. Multiple Choice
1 minute
1 pt
State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.