Scale Factor
Translation
Rotation
Reflection
Dilation
100
What is the scale factor for ABC -> DEF
1/2 or 0.5
100
What is a translation
When a figure slides or pushed left, right, up, or down
100
How many turns and what direction is 270 degrees CCW
3 turn left
100
When I reflect over the y-axis (x=0), what value do I take the opposite?
x values
100
Enlargement or Reduction: Dilation by a scale factor of 4
Enlargement
200
What is a dilation?
A transformation that changes a size of a figure. A figure stretches and shrinks
200
True or False: When a figure is translated it is a non-rigid/non-isometric movement
False
200
How many turns and what direction is 90 degrees CCW
1 turn left
200
When I reflect over the x-axis (y=0), what value do I take the opposite?
y values
200
Enlargement or Reduction: When k=3/4
Reduction
300
When the scale factor of a dilation is more than one the figure ____________
Expands
300
What's the coordinate of the point (2, 5) that is translated 3 units left.
(-1, 5)
300
True or False: When a figure is rotated it is a rigid/isometric movement
True
300
Isometric OR Non-isometric: What movement is a reflection?
Isometric
300
Find the coordinates of Y' when Y(8,2) are dilated by a scale factor of 1/2 of the origin.
(4, 1)
400
When the scale factor of a dilation is less than 1 the figure _______
Shrinks
400
Find the coordinates of A' if A(2, 4) is translated by (x+2, y-5).
A'(4, -1)
400
Triangle B is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?
Triangle C
400
Reflect Point A(3, -5) over x-axis (y=0). What are the new coordinates?
(3,5)
400
Determine the scale factor: B(2, 5) and B'(1, 2.5).
scale factor = 1/2
500
What is the formula to find the scale factor of A(preimage) and A'(image)?
"value of image"/"value of preimage"
500
Find the coordinates of M(-4, -1) and N(-3, -3) when it is translated 5 units right and 2 units up.
M'(1, 1) and N'(2, -1)
500
9. If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?
(-3,-5)
500
Reflect over the y-axis (x=0) of the Point A (2,3)?
(-2,3)
500
Dilate A(3, 0), B(5, 5), and C(2,4) when scale factor is 2
A'(6,0) B'(10,10) C'(4,8)