Scale Factor
Translation
Rotation
Reflection
Dilation
100
What is the scale factor for ABC -> DEF
1/2 or 0.5
100
What's the coordinate of the point (2, 5) that is translated 3 units left.
(5, 5)
100
The coordinate mapping for a rotation clockwise of 90 degrees.
(x,y) to (____,____)
(x, y)-->(y, -x)
100
When I reflect over the x-axis which coordinate stays the same
The X coordinate (x,-y)
100
Enlargement or Reduction: Dilation by a scale factor of 4
Enlargement
200
20 ft
200
True or False: When a figure is translated it changes its size
False
200
What rotations does this represent (x, y)-->(-y, x).
Rotation 270 degrees clockwise or 90 degrees counterclockwise
200
Reflection over the y-axis: (x, y) to (___, ___)
(x, y) ---> (-x, y)
200
Determine the scale factor: B(2, 5) and B'(1, 2.5).
scale factor = 1/2
300
What is a dilation?
A transformation that changes a size of a figure. A figure stretches and shrinks
300
What is a translation
When a figure slides
300
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
300
The coordinates of X(-3, 1) is reflected 180 degrees what is the new ordered pair.
X'(3,-1)
300
Find the coordinates of Y' when Y(8,2) are dilated by a scale factor of 1/4 of the origin.
(2, 0.5)
400
When the scale factor of a dilation is more than one the figure ____________
Stretches
400
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)
400
9. If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?
(-3,5)
400
Reflect x(3, -5) over x-axis. What are the new coordinates?
X axis (3,5)
400
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)
500
When the scale factor of a dilation is less than 1 the figure _______
Shrinks
500
Find the coordinates of A' if A(2, 4) is translated by (x+2, y-5).
A'(4, -1)
500
The graph below shows the pre-image of rectangle RSTU. What are the new coordinates for a 90°counter-clockwise rotation?
R (-5,-8) S (-5,-4) T(-3,-4) U (-3,-8)
500
True or false: When a figure is reflected the result is a mirrored image .
True
500
Rectangle ABCD is shown on the coordinate plane below. If the rectangle is dilated by a scale factor of 3/4. What are the new coordinates?
A' (-6, 4.5)
B' (-0.25, 4.5)
C' (-0.25, 0.25)
D' (-6, 0.25)